213576925 has 6 divisors (see below), whose sum is σ = 264835418. Its totient is φ = 170861520.

The previous prime is 213576907. The next prime is 213576931. The reversal of 213576925 is 529675312.

It can be written as a sum of positive squares in 3 ways, for example, as 1058841 + 212518084 = 1029^2 + 14578^2 .

It is not a de Polignac number, because 213576925 - 2²¹ = 211479773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4271514 + ... + 4271563.

Almost surely, 2^213576925 is an apocalyptic number.

213576925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213576925 is a deficient number, since it is larger than the sum of its proper divisors (51258493).

213576925 is an equidigital number, since it uses as much as digits as its factorization.

213576925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8543087 (or 8543082 counting only the distinct ones).

The product of its digits is 113400, while the sum is 40.

The square root of 213576925 is about 14614.2712784456. The cubic root of 213576925 is about 597.7479698797.

It can be divided in two parts, 21357 and 6925, that added together give a palindrome (28282).

The spelling of 213576925 in words is "two hundred thirteen million, five hundred seventy-six thousand, nine hundred twenty-five".