654101131 has 2 divisors, whose sum is σ = 654101132. Its totient is φ = 654101130.

The previous prime is 654101113. The next prime is 654101141. The reversal of 654101131 is 131101456.

Together with previous prime (654101113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654101131 is a prime.

It is a super-2 number, since 2×654101131² = 855696579150958322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (654101141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327050565 + 327050566.

It is an arithmetic number, because the mean of its divisors is an integer number (327050566).

Almost surely, 2^654101131 is an apocalyptic number.

654101131 is a deficient number, since it is larger than the sum of its proper divisors (1).

654101131 is an equidigital number, since it uses as much as digits as its factorization.

654101131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 654101131 is about 25575.4008961737. The cubic root of 654101131 is about 868.0571128191.

Adding to 654101131 its reverse (131101456), we get a palindrome (785202587).

The spelling of 654101131 in words is "six hundred fifty-four million, one hundred one thousand, one hundred thirty-one".