52525210 has 16 divisors (see below), whose sum is σ = 94709736. Its totient is φ = 20973568.

The previous prime is 52525201. The next prime is 52525259. The reversal of 52525210 is 1252525.

52525210 = T₅₉₁₆ + T₅₉₁₇ + T₅₉₁₈.

It can be written as a sum of positive squares in 4 ways, for example, as 42419169 + 10106041 = 6513^2 + 3179^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1914 + ... + 10426.

Almost surely, 2^52525210 is an apocalyptic number.

52525210 is the 5918-th centered triangular number.

52525210 is a deficient number, since it is larger than the sum of its proper divisors (42184526).

52525210 is a wasteful number, since it uses less digits than its factorization.

52525210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9137.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 52525210 is about 7247.4278195785. The cubic root of 52525210 is about 374.5035445234.

Adding to 52525210 its reverse (1252525), we get a palindrome (53777735).

The spelling of 52525210 in words is "fifty-two million, five hundred twenty-five thousand, two hundred ten".