651352443 has 12 divisors (see below), whose sum is σ = 1010261160. Its totient is φ = 372201312.

The previous prime is 651352421. The next prime is 651352451. The reversal of 651352443 is 344253156.

It is not a de Polignac number, because 651352443 - 2⁶ = 651352379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (651354443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2215338 + ... + 2215631.

It is an arithmetic number, because the mean of its divisors is an integer number (84188430).

Almost surely, 2^651352443 is an apocalyptic number.

651352443 is a deficient number, since it is larger than the sum of its proper divisors (358908717).

651352443 is a wasteful number, since it uses less digits than its factorization.

651352443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430986 (or 4430979 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 651352443 is about 25521.6073749284. The cubic root of 651352443 is about 866.8394783763.

The spelling of 651352443 in words is "six hundred fifty-one million, three hundred fifty-two thousand, four hundred forty-three".