651725567 has 2 divisors, whose sum is σ = 651725568. Its totient is φ = 651725566.

The previous prime is 651725563. The next prime is 651725609. The reversal of 651725567 is 765527156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 651725567 - 2² = 651725563 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651725561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325862783 + 325862784.

It is an arithmetic number, because the mean of its divisors is an integer number (325862784).

Almost surely, 2^651725567 is an apocalyptic number.

651725567 is a deficient number, since it is larger than the sum of its proper divisors (1).

651725567 is an equidigital number, since it uses as much as digits as its factorization.

651725567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 441000, while the sum is 44.

The square root of 651725567 is about 25528.9162911393. The cubic root of 651725567 is about 867.0049683383.

The spelling of 651725567 in words is "six hundred fifty-one million, seven hundred twenty-five thousand, five hundred sixty-seven".