213701925 has 24 divisors (see below), whose sum is σ = 354727296. Its totient is φ = 113520640.

The previous prime is 213701923. The next prime is 213702007. The reversal of 213701925 is 529107312.

It is not a de Polignac number, because 213701925 - 2¹ = 213701923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213701892 and 213701901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213701923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13732 + ... + 24818.

It is an arithmetic number, because the mean of its divisors is an integer number (14780304).

Almost surely, 2^213701925 is an apocalyptic number.

213701925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213701925 is a deficient number, since it is larger than the sum of its proper divisors (141025371).

213701925 is a wasteful number, since it uses less digits than its factorization.

213701925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11357 (or 11352 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 213701925 is about 14618.5472944476. The cubic root of 213701925 is about 597.8645616326.

The spelling of 213701925 in words is "two hundred thirteen million, seven hundred one thousand, nine hundred twenty-five".