213110525 has 24 divisors (see below), whose sum is σ = 276690624. Its totient is φ = 162518400.

The previous prime is 213110503. The next prime is 213110629. The reversal of 213110525 is 525011312.

It is a happy number.

It is not a de Polignac number, because 213110525 - 2²² = 208916221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213110497 and 213110506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262370 + ... + 263180.

It is an arithmetic number, because the mean of its divisors is an integer number (11528776).

Almost surely, 2^213110525 is an apocalyptic number.

213110525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213110525 is a deficient number, since it is larger than the sum of its proper divisors (63580099).

213110525 is a wasteful number, since it uses less digits than its factorization.

213110525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 213110525 is about 14598.3055523578. The cubic root of 213110525 is about 597.3125407622.

Adding to 213110525 its reverse (525011312), we get a palindrome (738121837).

The spelling of 213110525 in words is "two hundred thirteen million, one hundred ten thousand, five hundred twenty-five".