2505455431 has 2 divisors, whose sum is σ = 2505455432. Its totient is φ = 2505455430.

The previous prime is 2505455399. The next prime is 2505455437. The reversal of 2505455431 is 1345545052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2505455431 - 2⁵ = 2505455399 is a prime.

It is a super-2 number, since 2×2505455431² = 12554613833454791522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505455437) 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, 1252727715 + 1252727716.

It is an arithmetic number, because the mean of its divisors is an integer number (1252727716).

Almost surely, 2^2505455431 is an apocalyptic number.

2505455431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505455431 is an equidigital number, since it uses as much as digits as its factorization.

2505455431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 2505455431 is about 50054.5245807010. The cubic root of 2505455431 is about 1358.1953122720.

The spelling of 2505455431 in words is "two billion, five hundred five million, four hundred fifty-five thousand, four hundred thirty-one".