260813131 has 2 divisors, whose sum is σ = 260813132. Its totient is φ = 260813130.

The previous prime is 260813117. The next prime is 260813143. The reversal of 260813131 is 131318062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260813131 - 2⁹ = 260812619 is a prime.

It is a super-2 number, since 2×260813131² = 136046978604046322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260813096 and 260813105.

It is not a weakly prime, because it can be changed into another prime (260813191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130406565 + 130406566.

It is an arithmetic number, because the mean of its divisors is an integer number (130406566).

Almost surely, 2^260813131 is an apocalyptic number.

260813131 is a deficient number, since it is larger than the sum of its proper divisors (1).

260813131 is an equidigital number, since it uses as much as digits as its factorization.

260813131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 260813131 is about 16149.7099354756. The cubic root of 260813131 is about 638.9150979925.

The spelling of 260813131 in words is "two hundred sixty million, eight hundred thirteen thousand, one hundred thirty-one".