2531437919 has 2 divisors, whose sum is σ = 2531437920. Its totient is φ = 2531437918.

The previous prime is 2531437889. The next prime is 2531437933. The reversal of 2531437919 is 9197341352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2531437919 - 2¹² = 2531433823 is a prime.

It is a super-2 number, since 2×2531437919² = 12816355875502101122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2531437919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2531437619) 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, 1265718959 + 1265718960.

It is an arithmetic number, because the mean of its divisors is an integer number (1265718960).

Almost surely, 2^2531437919 is an apocalyptic number.

2531437919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531437919 is an equidigital number, since it uses as much as digits as its factorization.

2531437919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 44.

The square root of 2531437919 is about 50313.3970131217. The cubic root of 2531437919 is about 1362.8741693683.

The spelling of 2531437919 in words is "two billion, five hundred thirty-one million, four hundred thirty-seven thousand, nine hundred nineteen".