651271002 has 32 divisors (see below), whose sum is σ = 1347915264. Its totient is φ = 209563200.

The previous prime is 651270989. The next prime is 651271039. The reversal of 651271002 is 200172156.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74148 + ... + 82464.

It is an arithmetic number, because the mean of its divisors is an integer number (42122352).

Almost surely, 2^651271002 is an apocalyptic number.

651271002 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

651271002 is an abundant number, since it is smaller than the sum of its proper divisors (696644262).

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

651271002 is a wasteful number, since it uses less digits than its factorization.

651271002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8774.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 651271002 is about 25520.0117946681. The cubic root of 651271002 is about 866.8033488240.

The spelling of 651271002 in words is "six hundred fifty-one million, two hundred seventy-one thousand, two".