213877325 has 12 divisors (see below), whose sum is σ = 265453620. Its totient is φ = 170943360.

The previous prime is 213877259. The next prime is 213877331. The reversal of 213877325 is 523778312.

It can be written as a sum of positive squares in 6 ways, for example, as 19386409 + 194490916 = 4403^2 + 13946^2 .

It is not a de Polignac number, because 213877325 - 2¹⁰ = 213876301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28907 + ... + 35543.

It is an arithmetic number, because the mean of its divisors is an integer number (22121135).

Almost surely, 2^213877325 is an apocalyptic number.

213877325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213877325 is a deficient number, since it is larger than the sum of its proper divisors (51576295).

213877325 is a wasteful number, since it uses less digits than its factorization.

213877325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936 (or 7931 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 213877325 is about 14624.5452920766. The cubic root of 213877325 is about 598.0280865471.

The spelling of 213877325 in words is "two hundred thirteen million, eight hundred seventy-seven thousand, three hundred twenty-five".