825573155 has 16 divisors (see below), whose sum is σ = 1127741184. Its totient is φ = 574310880.

The previous prime is 825573149. The next prime is 825573169. The reversal of 825573155 is 551375528.

It is not a de Polignac number, because 825573155 - 2¹⁶ = 825507619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325049 + ... + 327578.

It is an arithmetic number, because the mean of its divisors is an integer number (70483824).

Almost surely, 2^825573155 is an apocalyptic number.

825573155 is a deficient number, since it is larger than the sum of its proper divisors (302168029).

825573155 is a wasteful number, since it uses less digits than its factorization.

825573155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652666.

The product of its digits is 210000, while the sum is 41.

The square root of 825573155 is about 28732.7888482827. The cubic root of 825573155 is about 938.1058715929.

The spelling of 825573155 in words is "eight hundred twenty-five million, five hundred seventy-three thousand, one hundred fifty-five".