651972010 has 16 divisors (see below), whose sum is σ = 1174394376. Its totient is φ = 260601088.

The previous prime is 651971989. The next prime is 651972029. The reversal of 651972010 is 10279156.

It can be written as a sum of positive squares in 4 ways, for example, as 520250481 + 131721529 = 22809^2 + 11477^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8419 + ... + 37078.

Almost surely, 2^651972010 is an apocalyptic number.

651972010 is a deficient number, since it is larger than the sum of its proper divisors (522422366).

651972010 is a wasteful number, since it uses less digits than its factorization.

651972010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46937.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 651972010 is about 25533.7425772251. The cubic root of 651972010 is about 867.1142374284.

The spelling of 651972010 in words is "six hundred fifty-one million, nine hundred seventy-two thousand, ten".