2547157031 has 2 divisors, whose sum is σ = 2547157032. Its totient is φ = 2547157030.

The previous prime is 2547157009. The next prime is 2547157111. The reversal of 2547157031 is 1307517452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2547157031 - 2²² = 2542962727 is a prime.

It is a super-2 number, since 2×2547157031² = 12976017881145469922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2547156982 and 2547157000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2547157001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273578515 + 1273578516.

It is an arithmetic number, because the mean of its divisors is an integer number (1273578516).

Almost surely, 2^2547157031 is an apocalyptic number.

2547157031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2547157031 is an equidigital number, since it uses as much as digits as its factorization.

2547157031 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2547157031 is about 50469.3672538105. The cubic root of 2547157031 is about 1365.6892994673.

The spelling of 2547157031 in words is "two billion, five hundred forty-seven million, one hundred fifty-seven thousand, thirty-one".