2505495431 has 2 divisors, whose sum is σ = 2505495432. Its totient is φ = 2505495430.

The previous prime is 2505495427. The next prime is 2505495437. The reversal of 2505495431 is 1345945052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2505495431 - 2² = 2505495427 is a prime.

It is a super-2 number, since 2×2505495431² = 12555014709523751522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505495437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252747715 + 1252747716.

It is an arithmetic number, because the mean of its divisors is an integer number (1252747716).

Almost surely, 2^2505495431 is an apocalyptic number.

2505495431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505495431 is an equidigital number, since it uses as much as digits as its factorization.

2505495431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 2505495431 is about 50054.9241433847. The cubic root of 2505495431 is about 1358.2025401692.

The spelling of 2505495431 in words is "two billion, five hundred five million, four hundred ninety-five thousand, four hundred thirty-one".