461612131 has 2 divisors, whose sum is σ = 461612132. Its totient is φ = 461612130.

The previous prime is 461612059. The next prime is 461612143. The reversal of 461612131 is 131216164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461612131 - 2¹³ = 461603939 is a prime.

It is a super-2 number, since 2×461612131² = 426171518972722322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 461612096 and 461612105.

It is not a weakly prime, because it can be changed into another prime (461612161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230806065 + 230806066.

It is an arithmetic number, because the mean of its divisors is an integer number (230806066).

Almost surely, 2^461612131 is an apocalyptic number.

461612131 is a deficient number, since it is larger than the sum of its proper divisors (1).

461612131 is an equidigital number, since it uses as much as digits as its factorization.

461612131 is an evil number, because the sum of its binary digits is even.

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

The square root of 461612131 is about 21485.1607161780. The cubic root of 461612131 is about 772.8450051760.

Adding to 461612131 its reverse (131216164), we get a palindrome (592828295).

The spelling of 461612131 in words is "four hundred sixty-one million, six hundred twelve thousand, one hundred thirty-one".