507374389 has 2 divisors, whose sum is σ = 507374390. Its totient is φ = 507374388.

The previous prime is 507374327. The next prime is 507374429. The reversal of 507374389 is 983473705.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438567364 + 68807025 = 20942^2 + 8295^2 .

It is a cyclic number.

It is not a de Polignac number, because 507374389 - 2⁹ = 507373877 is a prime.

It is a super-2 number, since 2×507374389² = 514857541226246642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507374789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253687194 + 253687195.

It is an arithmetic number, because the mean of its divisors is an integer number (253687195).

Almost surely, 2^507374389 is an apocalyptic number.

It is an amenable number.

507374389 is a deficient number, since it is larger than the sum of its proper divisors (1).

507374389 is an equidigital number, since it uses as much as digits as its factorization.

507374389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 507374389 is about 22524.9725638013. The cubic root of 507374389 is about 797.5835358295.

The spelling of 507374389 in words is "five hundred seven million, three hundred seventy-four thousand, three hundred eighty-nine".