252170910 has 96 divisors (see below), whose sum is σ = 690161472. Its totient is φ = 63797760.

The previous prime is 252170903. The next prime is 252170917. The reversal of 252170910 is 19071252.

It is an interprime number because it is at equal distance from previous prime (252170903) and next prime (252170917).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252170917) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135607 + ... + 137453.

It is an arithmetic number, because the mean of its divisors is an integer number (7189182).

Almost surely, 2^252170910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252170910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345080736).

252170910 is an abundant number, since it is smaller than the sum of its proper divisors (437990562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252170910 is a wasteful number, since it uses less digits than its factorization.

252170910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938 (or 1935 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 252170910 is about 15879.8901129699. The cubic root of 252170910 is about 631.7787223397.

The spelling of 252170910 in words is "two hundred fifty-two million, one hundred seventy thousand, nine hundred ten".