252225355025 has 72 divisors (see below), whose sum is σ = 376969800960. Its totient is φ = 166746384000.

The previous prime is 252225354973. The next prime is 252225355051. The reversal of 252225355025 is 520553522252.

It is not a de Polignac number, because 252225355025 - 2¹⁸ = 252225092881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252225355025.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10202930 + ... + 10227620.

It is an arithmetic number, because the mean of its divisors is an integer number (5235691680).

Almost surely, 2^252225355025 is an apocalyptic number.

252225355025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252225355025 is a deficient number, since it is larger than the sum of its proper divisors (124744445935).

252225355025 is a wasteful number, since it uses less digits than its factorization.

252225355025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25015 (or 25003 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 38.

Adding to 252225355025 its reverse (520553522252), we get a palindrome (772778877277).

The spelling of 252225355025 in words is "two hundred fifty-two billion, two hundred twenty-five million, three hundred fifty-five thousand, twenty-five".