172025894 has 4 divisors (see below), whose sum is σ = 258038844. Its totient is φ = 86012946.

The previous prime is 172025891. The next prime is 172025899. The reversal of 172025894 is 498520271.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172025891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43006472 + ... + 43006475.

It is an arithmetic number, because the mean of its divisors is an integer number (64509711).

Almost surely, 2^172025894 is an apocalyptic number.

172025894 is a deficient number, since it is larger than the sum of its proper divisors (86012950).

172025894 is an equidigital number, since it uses as much as digits as its factorization.

172025894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86012949.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 172025894 is about 13115.8642109470. The cubic root of 172025894 is about 556.1576830511.

The spelling of 172025894 in words is "one hundred seventy-two million, twenty-five thousand, eight hundred ninety-four".