654896131 has 2 divisors, whose sum is σ = 654896132. Its totient is φ = 654896130.

The previous prime is 654896113. The next prime is 654896159. The reversal of 654896131 is 131698456.

Together with previous prime (654896113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654896131 - 2⁷ = 654896003 is a prime.

It is a super-2 number, since 2×654896131² = 857777884797538322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (654836131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327448065 + 327448066.

It is an arithmetic number, because the mean of its divisors is an integer number (327448066).

Almost surely, 2^654896131 is an apocalyptic number.

654896131 is a deficient number, since it is larger than the sum of its proper divisors (1).

654896131 is an equidigital number, since it uses as much as digits as its factorization.

654896131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 654896131 is about 25590.9384548516. The cubic root of 654896131 is about 868.4086517346.

The spelling of 654896131 in words is "six hundred fifty-four million, eight hundred ninety-six thousand, one hundred thirty-one".