212625240 has 32 divisors (see below), whose sum is σ = 637876080. Its totient is φ = 56700032.

The previous prime is 212625223. The next prime is 212625247. The reversal of 212625240 is 42526212.

It is a happy number.

212625240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 212625240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212625247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885819 + ... + 886058.

Almost surely, 2^212625240 is an apocalyptic number.

212625240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212625240 is an abundant number, since it is smaller than the sum of its proper divisors (425250840).

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

212625240 is a wasteful number, since it uses less digits than its factorization.

212625240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771891 (or 1771887 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 212625240 is about 14581.6748009274. The cubic root of 212625240 is about 596.8588057520.

The spelling of 212625240 in words is "two hundred twelve million, six hundred twenty-five thousand, two hundred forty".