651197480 has 16 divisors (see below), whose sum is σ = 1465194420. Its totient is φ = 260478976.

The previous prime is 651197479. The next prime is 651197513. The reversal of 651197480 is 84791156.

It can be written as a sum of positive squares in 2 ways, for example, as 602113444 + 49084036 = 24538^2 + 7006^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8139929 + ... + 8140008.

Almost surely, 2^651197480 is an apocalyptic number.

It is an amenable number.

651197480 is an abundant number, since it is smaller than the sum of its proper divisors (813996940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651197480 is a wasteful number, since it uses less digits than its factorization.

651197480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16279948 (or 16279944 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 651197480 is about 25518.5712766213. The cubic root of 651197480 is about 866.7707297792.

The spelling of 651197480 in words is "six hundred fifty-one million, one hundred ninety-seven thousand, four hundred eighty".