252547025 has 12 divisors (see below), whose sum is σ = 313475100. Its totient is φ = 201833280.

The previous prime is 252547021. The next prime is 252547063. The reversal of 252547025 is 520745252.

It can be written as a sum of positive squares in 6 ways, for example, as 102900736 + 149646289 = 10144^2 + 12233^2 .

It is not a de Polignac number, because 252547025 - 2² = 252547021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252546982 and 252547000.

It is not an unprimeable number, because it can be changed into a prime (252547021) 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, 23171 + ... + 32279.

It is an arithmetic number, because the mean of its divisors is an integer number (26122925).

Almost surely, 2^252547025 is an apocalyptic number.

252547025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252547025 is a deficient number, since it is larger than the sum of its proper divisors (60928075).

252547025 is a wasteful number, since it uses less digits than its factorization.

252547025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10228 (or 10223 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 252547025 is about 15891.7281942525. The cubic root of 252547025 is about 632.0926673725.

The spelling of 252547025 in words is "two hundred fifty-two million, five hundred forty-seven thousand, twenty-five".