213453625 has 64 divisors (see below), whose sum is σ = 338098176. Its totient is φ = 130680000.

The previous prime is 213453623. The next prime is 213453661. The reversal of 213453625 is 526354312.

It is a happy number.

213453625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213453625 - 2¹ = 213453623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213453623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 644710 + ... + 645040.

It is an arithmetic number, because the mean of its divisors is an integer number (5282784).

Almost surely, 2^213453625 is an apocalyptic number.

213453625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213453625 is a deficient number, since it is larger than the sum of its proper divisors (124644551).

213453625 is a wasteful number, since it uses less digits than its factorization.

213453625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 421 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 213453625 is about 14610.0521901874. The cubic root of 213453625 is about 597.6329191983.

The spelling of 213453625 in words is "two hundred thirteen million, four hundred fifty-three thousand, six hundred twenty-five".