252625641 has 16 divisors (see below), whose sum is σ = 356952960. Its totient is φ = 158641280.

The previous prime is 252625631. The next prime is 252625663. The reversal of 252625641 is 146526252.

It is a cyclic number.

It is not a de Polignac number, because 252625641 - 2¹⁷ = 252494569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252625631) 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, 31845 + ... + 38978.

It is an arithmetic number, because the mean of its divisors is an integer number (22309560).

Almost surely, 2^252625641 is an apocalyptic number.

It is an amenable number.

252625641 is a deficient number, since it is larger than the sum of its proper divisors (104327319).

252625641 is a wasteful number, since it uses less digits than its factorization.

252625641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70896.

The product of its digits is 28800, while the sum is 33.

The square root of 252625641 is about 15894.2014898516. The cubic root of 252625641 is about 632.1582491412.

It can be divided in two parts, 25262 and 5641, that added together give a palindrome (30903).

The spelling of 252625641 in words is "two hundred fifty-two million, six hundred twenty-five thousand, six hundred forty-one".