472645651 has 4 divisors (see below), whose sum is σ = 479302704. Its totient is φ = 465988600.

The previous prime is 472645631. The next prime is 472645661. The reversal of 472645651 is 156546274.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 472645651 - 2¹¹ = 472643603 is a prime.

It is a super-2 number, since 2×472645651² = 446787822818427602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472645631) 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, 3328420 + ... + 3328561.

It is an arithmetic number, because the mean of its divisors is an integer number (119825676).

Almost surely, 2^472645651 is an apocalyptic number.

472645651 is a deficient number, since it is larger than the sum of its proper divisors (6657053).

472645651 is an equidigital number, since it uses as much as digits as its factorization.

472645651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6657052.

The product of its digits is 201600, while the sum is 40.

The square root of 472645651 is about 21740.4151524298. The cubic root of 472645651 is about 778.9541379508.

The spelling of 472645651 in words is "four hundred seventy-two million, six hundred forty-five thousand, six hundred fifty-one".