252211025 has 24 divisors (see below), whose sum is σ = 343826208. Its totient is φ = 182000000.

The previous prime is 252211019. The next prime is 252211033. The reversal of 252211025 is 520112252.

It is a happy number.

252211025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252211025 - 2¹⁰ = 252210001 is a prime.

It is a super-2 number, since 2×252211025² = 127220802263101250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 252210988 and 252211006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32525 + ... + 39525.

It is an arithmetic number, because the mean of its divisors is an integer number (14326092).

Almost surely, 2^252211025 is an apocalyptic number.

252211025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252211025 is a deficient number, since it is larger than the sum of its proper divisors (91615183).

252211025 is a wasteful number, since it uses less digits than its factorization.

252211025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153 (or 7148 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 252211025 is about 15881.1531382328. The cubic root of 252211025 is about 631.8122213922.

Adding to 252211025 its reverse (520112252), we get a palindrome (772323277).

The spelling of 252211025 in words is "two hundred fifty-two million, two hundred eleven thousand, twenty-five".