172513290 has 16 divisors (see below), whose sum is σ = 414031968. Its totient is φ = 46003536.

The previous prime is 172513283. The next prime is 172513303. The reversal of 172513290 is 92315271.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 5750443 = 172513290 / (1 + 7 + 2 + 5 + 1 + 3 + 2 + 9 + 0).

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, 2875192 + ... + 2875251.

It is an arithmetic number, because the mean of its divisors is an integer number (25876998).

Almost surely, 2^172513290 is an apocalyptic number.

172513290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172513290 is an abundant number, since it is smaller than the sum of its proper divisors (241518678).

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

172513290 is a wasteful number, since it uses less digits than its factorization.

172513290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5750453.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 172513290 is about 13134.4314684725. The cubic root of 172513290 is about 556.6824362766.

The spelling of 172513290 in words is "one hundred seventy-two million, five hundred thirteen thousand, two hundred ninety".