505087307 has 2 divisors, whose sum is σ = 505087308. Its totient is φ = 505087306.

The previous prime is 505087283. The next prime is 505087327. The reversal of 505087307 is 703780505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505087307 - 2⁶ = 505087243 is a prime.

It is a super-2 number, since 2×505087307² = 510226375385024498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (505087327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252543653 + 252543654.

It is an arithmetic number, because the mean of its divisors is an integer number (252543654).

Almost surely, 2^505087307 is an apocalyptic number.

505087307 is a deficient number, since it is larger than the sum of its proper divisors (1).

505087307 is an equidigital number, since it uses as much as digits as its factorization.

505087307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 505087307 is about 22474.1475255459. The cubic root of 505087307 is about 796.3833131725.

The spelling of 505087307 in words is "five hundred five million, eighty-seven thousand, three hundred seven".