474648251 has 24 divisors (see below), whose sum is σ = 607744944. Its totient is φ = 366535680.

The previous prime is 474648203. The next prime is 474648271. The reversal of 474648251 is 152846474.

It is a de Polignac number, because none of the positive numbers 2^k-474648251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 474648199 and 474648208.

It is not an unprimeable number, because it can be changed into a prime (474648271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57011 + ... + 64803.

It is an arithmetic number, because the mean of its divisors is an integer number (25322706).

Almost surely, 2^474648251 is an apocalyptic number.

474648251 is a deficient number, since it is larger than the sum of its proper divisors (133096693).

474648251 is a wasteful number, since it uses less digits than its factorization.

474648251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7931 (or 7924 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 474648251 is about 21786.4235477051. The cubic root of 474648251 is about 780.0527309300.

The spelling of 474648251 in words is "four hundred seventy-four million, six hundred forty-eight thousand, two hundred fifty-one".