1252551833 has 16 divisors (see below), whose sum is σ = 1384943616. Its totient is φ = 1125572160.

The previous prime is 1252551829. The next prime is 1252551863. The reversal of 1252551833 is 3381552521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1252551833 - 2² = 1252551829 is a prime.

It is a super-3 number, since 3×1252551833³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252551793 and 1252551802.

It is not an unprimeable number, because it can be changed into a prime (1252551863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111335 + ... + 122067.

It is an arithmetic number, because the mean of its divisors is an integer number (86558976).

Almost surely, 2^1252551833 is an apocalyptic number.

1252551833 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1252551833 is a deficient number, since it is larger than the sum of its proper divisors (132391783).

1252551833 is a wasteful number, since it uses less digits than its factorization.

1252551833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10984.

The product of its digits is 36000, while the sum is 35.

The square root of 1252551833 is about 35391.4090281808. The cubic root of 1252551833 is about 1077.9498810977.

The spelling of 1252551833 in words is "one billion, two hundred fifty-two million, five hundred fifty-one thousand, eight hundred thirty-three".