651330132 has 12 divisors (see below), whose sum is σ = 1519770336. Its totient is φ = 217110040.

The previous prime is 651330103. The next prime is 651330157. The reversal of 651330132 is 231033156.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×651330132² = 848461881702274848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27138744 + ... + 27138767.

It is an arithmetic number, because the mean of its divisors is an integer number (126647528).

Almost surely, 2^651330132 is an apocalyptic number.

It is an amenable number.

651330132 is an abundant number, since it is smaller than the sum of its proper divisors (868440204).

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

651330132 is a wasteful number, since it uses less digits than its factorization.

651330132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54277518 (or 54277516 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 651330132 is about 25521.1702709731. The cubic root of 651330132 is about 866.8295808794.

Adding to 651330132 its reverse (231033156), we get a palindrome (882363288).

The spelling of 651330132 in words is "six hundred fifty-one million, three hundred thirty thousand, one hundred thirty-two".