213925 has 12 divisors (see below), whose sum is σ = 272800. Its totient is φ = 166320.

The previous prime is 213919. The next prime is 213929. The reversal of 213925 is 529312.

213925 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 213925 - 2¹¹ = 211877 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 213896 and 213905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 976 + ... + 1174.

2²¹³⁹²⁵ is an apocalyptic number.

213925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213925 is a deficient number, since it is larger than the sum of its proper divisors (58875).

213925 is a wasteful number, since it uses less digits than its factorization.

213925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 247 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 213925 is about 462.5202698261. The cubic root of 213925 is about 59.8072518358.

The spelling of 213925 in words is "two hundred thirteen thousand, nine hundred twenty-five".