507888401 has 2 divisors, whose sum is σ = 507888402. Its totient is φ = 507888400.

The previous prime is 507888391. The next prime is 507888421. The reversal of 507888401 is 104888705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259983376 + 247905025 = 16124^2 + 15745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-507888401 is a prime.

It is not a weakly prime, because it can be changed into another prime (507888421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253944200 + 253944201.

It is an arithmetic number, because the mean of its divisors is an integer number (253944201).

Almost surely, 2^507888401 is an apocalyptic number.

It is an amenable number.

507888401 is a deficient number, since it is larger than the sum of its proper divisors (1).

507888401 is an equidigital number, since it uses as much as digits as its factorization.

507888401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 507888401 is about 22536.3795007095. The cubic root of 507888401 is about 797.8527841739.

The spelling of 507888401 in words is "five hundred seven million, eight hundred eighty-eight thousand, four hundred one".