213725100 has 36 divisors (see below), whose sum is σ = 618378824. Its totient is φ = 56993280.

The previous prime is 213725089. The next prime is 213725101. The reversal of 213725100 is 1527312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213725101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355909 + ... + 356508.

Almost surely, 2^213725100 is an apocalyptic number.

213725100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213725100 is an abundant number, since it is smaller than the sum of its proper divisors (404653724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213725100 is a wasteful number, since it uses less digits than its factorization.

213725100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712434 (or 712427 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 213725100 is about 14619.3399303799. The cubic root of 213725100 is about 597.8861727472.

The spelling of 213725100 in words is "two hundred thirteen million, seven hundred twenty-five thousand, one hundred".