252859025 has 12 divisors (see below), whose sum is σ = 319462812. Its totient is φ = 198469440.

The previous prime is 252859021. The next prime is 252859043. The reversal of 252859025 is 520958252.

It can be written as a sum of positive squares in 6 ways, for example, as 13476241 + 239382784 = 3671^2 + 15472^2 .

It is not a de Polignac number, because 252859025 - 2² = 252859021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252859025.

It is not an unprimeable number, because it can be changed into a prime (252859021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94094 + ... + 96743.

It is an arithmetic number, because the mean of its divisors is an integer number (26621901).

Almost surely, 2^252859025 is an apocalyptic number.

252859025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252859025 is a deficient number, since it is larger than the sum of its proper divisors (66603787).

252859025 is a wasteful number, since it uses less digits than its factorization.

252859025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190900 (or 190895 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 252859025 is about 15901.5415919338. The cubic root of 252859025 is about 632.3528588553.

The spelling of 252859025 in words is "two hundred fifty-two million, eight hundred fifty-nine thousand, twenty-five".