213625401 has 16 divisors (see below), whose sum is σ = 314664960. Its totient is φ = 127829520.

The previous prime is 213625381. The next prime is 213625409. The reversal of 213625401 is 104526312.

It is not a de Polignac number, because 213625401 - 2⁶ = 213625337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213625409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38365 + ... + 43578.

It is an arithmetic number, because the mean of its divisors is an integer number (19666560).

Almost surely, 2^213625401 is an apocalyptic number.

It is an amenable number.

213625401 is a deficient number, since it is larger than the sum of its proper divisors (101039559).

213625401 is a wasteful number, since it uses less digits than its factorization.

213625401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82036.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 213625401 is about 14615.9297001593. The cubic root of 213625401 is about 597.7931904930.

The spelling of 213625401 in words is "two hundred thirteen million, six hundred twenty-five thousand, four hundred one".