461131399 has 2 divisors, whose sum is σ = 461131400. Its totient is φ = 461131398.

The previous prime is 461131381. The next prime is 461131403. The reversal of 461131399 is 993131164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461131399 - 2⁷ = 461131271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461131799) 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, 230565699 + 230565700.

It is an arithmetic number, because the mean of its divisors is an integer number (230565700).

Almost surely, 2^461131399 is an apocalyptic number.

461131399 is a deficient number, since it is larger than the sum of its proper divisors (1).

461131399 is an equidigital number, since it uses as much as digits as its factorization.

461131399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 37.

The square root of 461131399 is about 21473.9702663480. The cubic root of 461131399 is about 772.5766266333.

The spelling of 461131399 in words is "four hundred sixty-one million, one hundred thirty-one thousand, three hundred ninety-nine".