472635551 has 4 divisors (see below), whose sum is σ = 475465872. Its totient is φ = 469805232.

The previous prime is 472635539. The next prime is 472635589. The reversal of 472635551 is 155536274.

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 472635551 - 2²² = 468441247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472635511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414910 + ... + 1415243.

It is an arithmetic number, because the mean of its divisors is an integer number (118866468).

Almost surely, 2^472635551 is an apocalyptic number.

472635551 is a deficient number, since it is larger than the sum of its proper divisors (2830321).

472635551 is a wasteful number, since it uses less digits than its factorization.

472635551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830320.

The product of its digits is 126000, while the sum is 38.

The square root of 472635551 is about 21740.1828649163. The cubic root of 472635551 is about 778.9485894017.

The spelling of 472635551 in words is "four hundred seventy-two million, six hundred thirty-five thousand, five hundred fifty-one".