648024007 has 2 divisors, whose sum is σ = 648024008. Its totient is φ = 648024006.

The previous prime is 648023989. The next prime is 648024023. The reversal of 648024007 is 700420846.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-648024007 is a prime.

It is a super-2 number, since 2×648024007² = 839870227296672098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 648024007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648024107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324012003 + 324012004.

It is an arithmetic number, because the mean of its divisors is an integer number (324012004).

Almost surely, 2^648024007 is an apocalyptic number.

648024007 is a deficient number, since it is larger than the sum of its proper divisors (1).

648024007 is an equidigital number, since it uses as much as digits as its factorization.

648024007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 648024007 is about 25456.3156603622. The cubic root of 648024007 is about 865.3604284986.

The spelling of 648024007 in words is "six hundred forty-eight million, twenty-four thousand, seven".