252110522 has 4 divisors (see below), whose sum is σ = 378165786. Its totient is φ = 126055260.

The previous prime is 252110497. The next prime is 252110531. The reversal of 252110522 is 225011252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 214300321 + 37810201 = 14639^2 + 6149^2 .

It is a super-2 number, since 2×252110522² = 127119430606224968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252110494 and 252110503.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63027629 + ... + 63027632.

Almost surely, 2^252110522 is an apocalyptic number.

252110522 is a deficient number, since it is larger than the sum of its proper divisors (126055264).

252110522 is a wasteful number, since it uses less digits than its factorization.

252110522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126055263.

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

The square root of 252110522 is about 15877.9886005753. The cubic root of 252110522 is about 631.7282871021.

Adding to 252110522 its reverse (225011252), we get a palindrome (477121774).

The spelling of 252110522 in words is "two hundred fifty-two million, one hundred ten thousand, five hundred twenty-two".