361461731 has 2 divisors, whose sum is σ = 361461732. Its totient is φ = 361461730.

The previous prime is 361461703. The next prime is 361461733. The reversal of 361461731 is 137164163.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 361461731 - 2¹⁰ = 361460707 is a prime.

It is a super-2 number, since 2×361461731² = 261309165955032722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 361461733, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_19385312 and since 361461731 and 19385312 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (361461733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180730865 + 180730866.

It is an arithmetic number, because the mean of its divisors is an integer number (180730866).

Almost surely, 2^361461731 is an apocalyptic number.

361461731 is a deficient number, since it is larger than the sum of its proper divisors (1).

361461731 is an equidigital number, since it uses as much as digits as its factorization.

361461731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 361461731 is about 19012.1469329479. The cubic root of 361461731 is about 712.3401794402.

The spelling of 361461731 in words is "three hundred sixty-one million, four hundred sixty-one thousand, seven hundred thirty-one".