212154325 has 12 divisors (see below), whose sum is σ = 264179520. Its totient is φ = 169008560.

The previous prime is 212154311. The next prime is 212154331. The reversal of 212154325 is 523451212.

It is not a de Polignac number, because 212154325 - 2⁷ = 212154197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 212154325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11779 + ... + 23728.

It is an arithmetic number, because the mean of its divisors is an integer number (22014960).

Almost surely, 2^212154325 is an apocalyptic number.

212154325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212154325 is a deficient number, since it is larger than the sum of its proper divisors (52025195).

212154325 is a wasteful number, since it uses less digits than its factorization.

212154325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35756 (or 35751 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 212154325 is about 14565.5183567218. The cubic root of 212154325 is about 596.4178459967.

The spelling of 212154325 in words is "two hundred twelve million, one hundred fifty-four thousand, three hundred twenty-five".