472521237 has 4 divisors (see below), whose sum is σ = 630028320. Its totient is φ = 315014156.

The previous prime is 472521233. The next prime is 472521293. The reversal of 472521237 is 732125274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 472521237 - 2² = 472521233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 472521198 and 472521207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472521233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78753537 + ... + 78753542.

It is an arithmetic number, because the mean of its divisors is an integer number (157507080).

Almost surely, 2^472521237 is an apocalyptic number.

It is an amenable number.

472521237 is a deficient number, since it is larger than the sum of its proper divisors (157507083).

472521237 is a wasteful number, since it uses less digits than its factorization.

472521237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157507082.

The product of its digits is 23520, while the sum is 33.

The square root of 472521237 is about 21737.5536112047. The cubic root of 472521237 is about 778.8857842031.

The spelling of 472521237 in words is "four hundred seventy-two million, five hundred twenty-one thousand, two hundred thirty-seven".