507402449 has 2 divisors, whose sum is σ = 507402450. Its totient is φ = 507402448.

The previous prime is 507402437. The next prime is 507402463. The reversal of 507402449 is 944204705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 494261824 + 13140625 = 22232^2 + 3625^2 .

It is a cyclic number.

It is not a de Polignac number, because 507402449 - 2⁴ = 507402433 is a prime.

It is not a weakly prime, because it can be changed into another prime (507402479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253701224 + 253701225.

It is an arithmetic number, because the mean of its divisors is an integer number (253701225).

Almost surely, 2^507402449 is an apocalyptic number.

It is an amenable number.

507402449 is a deficient number, since it is larger than the sum of its proper divisors (1).

507402449 is an equidigital number, since it uses as much as digits as its factorization.

507402449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 507402449 is about 22525.5954194334. The cubic root of 507402449 is about 797.5982388325.

The spelling of 507402449 in words is "five hundred seven million, four hundred two thousand, four hundred forty-nine".