507399953 has 2 divisors, whose sum is σ = 507399954. Its totient is φ = 507399952.

The previous prime is 507399917. The next prime is 507399967. The reversal of 507399953 is 359993705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269222464 + 238177489 = 16408^2 + 15433^2 .

It is a cyclic number.

It is not a de Polignac number, because 507399953 - 2⁶ = 507399889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (507399553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253699976 + 253699977.

It is an arithmetic number, because the mean of its divisors is an integer number (253699977).

Almost surely, 2^507399953 is an apocalyptic number.

It is an amenable number.

507399953 is a deficient number, since it is larger than the sum of its proper divisors (1).

507399953 is an equidigital number, since it uses as much as digits as its factorization.

507399953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1148175, while the sum is 50.

The square root of 507399953 is about 22525.5400157244. The cubic root of 507399953 is about 797.5969309893.

The spelling of 507399953 in words is "five hundred seven million, three hundred ninety-nine thousand, nine hundred fifty-three".