2531254315547 has 2 divisors, whose sum is σ = 2531254315548. Its totient is φ = 2531254315546.

The previous prime is 2531254315487. The next prime is 2531254315567. The reversal of 2531254315547 is 7455134521352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2531254315547 - 2⁶ = 2531254315483 is a prime.

It is a super-2 number, since 2×2531254315547² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2531254315567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265627157773 + 1265627157774.

It is an arithmetic number, because the mean of its divisors is an integer number (1265627157774).

Almost surely, 2^{2531254315547} is an apocalyptic number.

2531254315547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531254315547 is an equidigital number, since it uses as much as digits as its factorization.

2531254315547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520000, while the sum is 47.

Adding to 2531254315547 its reverse (7455134521352), we get a palindrome (9986388836899).

The spelling of 2531254315547 in words is "two trillion, five hundred thirty-one billion, two hundred fifty-four million, three hundred fifteen thousand, five hundred forty-seven".