507071407 has 2 divisors, whose sum is σ = 507071408. Its totient is φ = 507071406.

The previous prime is 507071381. The next prime is 507071413. The reversal of 507071407 is 704170705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 507071407 - 2²³ = 498682799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507071417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253535703 + 253535704.

It is an arithmetic number, because the mean of its divisors is an integer number (253535704).

Almost surely, 2^507071407 is an apocalyptic number.

507071407 is a deficient number, since it is larger than the sum of its proper divisors (1).

507071407 is an equidigital number, since it uses as much as digits as its factorization.

507071407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 507071407 is about 22518.2460906706. The cubic root of 507071407 is about 797.4247434415.

The spelling of 507071407 in words is "five hundred seven million, seventy-one thousand, four hundred seven".