2151353025 has 72 divisors (see below), whose sum is σ = 3988104120. Its totient is φ = 1107840000.

The previous prime is 2151353011. The next prime is 2151353027. The reversal of 2151353025 is 5203531512.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 240002064 + 1911350961 = 15492^2 + 43719^2 .

It is not a de Polignac number, because 2151353025 - 2¹⁴ = 2151336641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2151353025.

It is not an unprimeable number, because it can be changed into a prime (2151353027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 930571 + ... + 932879.

It is an arithmetic number, because the mean of its divisors is an integer number (55390335).

Almost surely, 2^2151353025 is an apocalyptic number.

2151353025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2151353025 is a deficient number, since it is larger than the sum of its proper divisors (1836751095).

2151353025 is a wasteful number, since it uses less digits than its factorization.

2151353025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467 (or 2459 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 2151353025 is about 46382.6802265673. The cubic root of 2151353025 is about 1290.9335679529.

Adding to 2151353025 its reverse (5203531512), we get a palindrome (7354884537).

The spelling of 2151353025 in words is "two billion, one hundred fifty-one million, three hundred fifty-three thousand, twenty-five".