461238731 has 2 divisors, whose sum is σ = 461238732. Its totient is φ = 461238730.

The previous prime is 461238709. The next prime is 461238733. The reversal of 461238731 is 137832164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461238731 - 2²⁶ = 394129867 is a prime.

It is a super-2 number, since 2×461238731² = 425482333948980722, which contains 22 as substring.

Together with 461238733, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 461238691 and 461238700.

It is not a weakly prime, because it can be changed into another prime (461238733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230619365 + 230619366.

It is an arithmetic number, because the mean of its divisors is an integer number (230619366).

Almost surely, 2^461238731 is an apocalyptic number.

461238731 is a deficient number, since it is larger than the sum of its proper divisors (1).

461238731 is an equidigital number, since it uses as much as digits as its factorization.

461238731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 461238731 is about 21476.4692396120. The cubic root of 461238731 is about 772.6365631011.

The spelling of 461238731 in words is "four hundred sixty-one million, two hundred thirty-eight thousand, seven hundred thirty-one".