260406131 has 2 divisors, whose sum is σ = 260406132. Its totient is φ = 260406130.

The previous prime is 260406121. The next prime is 260406143. The reversal of 260406131 is 131604062.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260406131 - 2⁶ = 260406067 is a prime.

It is a super-2 number, since 2×260406131² = 135622706124778322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260406097 and 260406106.

It is not a weakly prime, because it can be changed into another prime (260406101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130203065 + 130203066.

It is an arithmetic number, because the mean of its divisors is an integer number (130203066).

Almost surely, 2^260406131 is an apocalyptic number.

260406131 is a deficient number, since it is larger than the sum of its proper divisors (1).

260406131 is an equidigital number, since it uses as much as digits as its factorization.

260406131 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 23.

The square root of 260406131 is about 16137.1041702035. The cubic root of 260406131 is about 638.5825817257.

The spelling of 260406131 in words is "two hundred sixty million, four hundred six thousand, one hundred thirty-one".