651494313 has 16 divisors (see below), whose sum is σ = 969437760. Its totient is φ = 432412128.

The previous prime is 651494303. The next prime is 651494317. The reversal of 651494313 is 313494156.

It is a de Polignac number, because none of the positive numbers 2^k-651494313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (651494317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47020 + ... + 59277.

It is an arithmetic number, because the mean of its divisors is an integer number (60589860).

Almost surely, 2^651494313 is an apocalyptic number.

It is an amenable number.

651494313 is a deficient number, since it is larger than the sum of its proper divisors (317943447).

651494313 is a wasteful number, since it uses less digits than its factorization.

651494313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106533 (or 106527 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 651494313 is about 25524.3866331789. The cubic root of 651494313 is about 866.9024087661.

The spelling of 651494313 in words is "six hundred fifty-one million, four hundred ninety-four thousand, three hundred thirteen".