4212637925 has 6 divisors (see below), whose sum is σ = 5223671058. Its totient is φ = 3370110320.

The previous prime is 4212637909. The next prime is 4212637939. The reversal of 4212637925 is 5297362124.

It can be written as a sum of positive squares in 3 ways, for example, as 1446509089 + 2766128836 = 38033^2 + 52594^2 .

It is not a de Polignac number, because 4212637925 - 2⁴ = 4212637909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84252734 + ... + 84252783.

It is an arithmetic number, because the mean of its divisors is an integer number (870611843).

Almost surely, 2^4212637925 is an apocalyptic number.

It is an amenable number.

4212637925 is a deficient number, since it is larger than the sum of its proper divisors (1011033133).

4212637925 is a wasteful number, since it uses less digits than its factorization.

4212637925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168505527 (or 168505522 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 4212637925 is about 64904.8374545380. The cubic root of 4212637925 is about 1615.0453105149.

The spelling of 4212637925 in words is "four billion, two hundred twelve million, six hundred thirty-seven thousand, nine hundred twenty-five".