476952521 has 4 divisors (see below), whose sum is σ = 481583232. Its totient is φ = 472321812.

The previous prime is 476952503. The next prime is 476952559. The reversal of 476952521 is 125259674.

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 476952521 - 2²² = 472758217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (476952571) 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, 2315201 + ... + 2315406.

It is an arithmetic number, because the mean of its divisors is an integer number (120395808).

Almost surely, 2^476952521 is an apocalyptic number.

It is an amenable number.

476952521 is a deficient number, since it is larger than the sum of its proper divisors (4630711).

476952521 is a wasteful number, since it uses less digits than its factorization.

476952521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630710.

The product of its digits is 151200, while the sum is 41.

The square root of 476952521 is about 21839.2426837562. The cubic root of 476952521 is about 781.3129983886.

The spelling of 476952521 in words is "four hundred seventy-six million, nine hundred fifty-two thousand, five hundred twenty-one".