2538471631 has 2 divisors, whose sum is σ = 2538471632. Its totient is φ = 2538471630.

The previous prime is 2538471491. The next prime is 2538471647. The reversal of 2538471631 is 1361748352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2538471631 - 2¹³ = 2538463439 is a prime.

It is a super-2 number, since 2×2538471631² = 12887676442783600322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2538471031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269235815 + 1269235816.

It is an arithmetic number, because the mean of its divisors is an integer number (1269235816).

Almost surely, 2^2538471631 is an apocalyptic number.

2538471631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2538471631 is an equidigital number, since it uses as much as digits as its factorization.

2538471631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 2538471631 is about 50383.2475233584. The cubic root of 2538471631 is about 1364.1352707596.

The spelling of 2538471631 in words is "two billion, five hundred thirty-eight million, four hundred seventy-one thousand, six hundred thirty-one".