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2533223225 = 521329268777
BaseRepresentation
bin1001011011111101…
…1110101100111001
320112112201001222102
42112333132230321
520142001120400
61055211433145
7116530020311
oct22677365471
96475631872
102533223225
11108aa36115
125a84557b5
13314a92570
141a061c441
15ec5de9d5
hex96fdeb39

2533223225 has 24 divisors (see below), whose sum is σ = 3499489560. Its totient is φ = 1806174720.

The previous prime is 2533223219. The next prime is 2533223281. The reversal of 2533223225 is 5223223352.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 1748326969 + 784896256 = 41813^2 + 28016^2 .

It is not a de Polignac number, because 2533223225 - 226 = 2466114361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124964 + ... + 143813.

It is an arithmetic number, because the mean of its divisors is an integer number (145812065).

Almost surely, 22533223225 is an apocalyptic number.

2533223225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2533223225 is a deficient number, since it is larger than the sum of its proper divisors (966266335).

2533223225 is a wasteful number, since it uses less digits than its factorization.

2533223225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268829 (or 268824 counting only the distinct ones).

The product of its digits is 21600, while the sum is 29.

The square root of 2533223225 is about 50331.1357412089. The cubic root of 2533223225 is about 1363.1944847698.

Adding to 2533223225 its reverse (5223223352), we get a palindrome (7756446577).

The spelling of 2533223225 in words is "two billion, five hundred thirty-three million, two hundred twenty-three thousand, two hundred twenty-five".