213125 has 20 divisors (see below), whose sum is σ = 299904. Its totient is φ = 150000.

The previous prime is 213119. The next prime is 213131. The reversal of 213125 is 521312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213119) and next prime (213131).

It is not a de Polignac number, because 213125 - 2⁸ = 212869 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 213125.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6860 + ... + 6890.

2²¹³¹²⁵ is an apocalyptic number.

213125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213125 is a deficient number, since it is larger than the sum of its proper divisors (86779).

213125 is an equidigital number, since it uses as much as digits as its factorization.

213125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 47 counting only the distinct ones).

The product of its digits is 60, while the sum is 14.

The square root of 213125 is about 461.6546328155. The cubic root of 213125 is about 59.7326064110.

Adding to 213125 its reverse (521312), we get a palindrome (734437).

The spelling of 213125 in words is "two hundred thirteen thousand, one hundred twenty-five".