2631257471 has 2 divisors, whose sum is σ = 2631257472. Its totient is φ = 2631257470.

The previous prime is 2631257449. The next prime is 2631257527. The reversal of 2631257471 is 1747521362.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2631257471 is a prime.

It is a super-3 number, since 3×2631257471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2631257171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315628735 + 1315628736.

It is an arithmetic number, because the mean of its divisors is an integer number (1315628736).

Almost surely, 2^2631257471 is an apocalyptic number.

2631257471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631257471 is an equidigital number, since it uses as much as digits as its factorization.

2631257471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 38.

The square root of 2631257471 is about 51295.7841445084. The cubic root of 2631257471 is about 1380.5573382405.

The spelling of 2631257471 in words is "two billion, six hundred thirty-one million, two hundred fifty-seven thousand, four hundred seventy-one".