461131397 has 8 divisors (see below), whose sum is σ = 466342272. Its totient is φ = 455946400.

The previous prime is 461131381. The next prime is 461131399. The reversal of 461131397 is 793131164.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 461131397 - 2⁴ = 461131381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461131399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30548 + ... + 43074.

It is an arithmetic number, because the mean of its divisors is an integer number (58292784).

Almost surely, 2^461131397 is an apocalyptic number.

It is an amenable number.

461131397 is a deficient number, since it is larger than the sum of its proper divisors (5210875).

461131397 is a wasteful number, since it uses less digits than its factorization.

461131397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12939.

The product of its digits is 13608, while the sum is 35.

The square root of 461131397 is about 21473.9702197800. The cubic root of 461131397 is about 772.5766255164.

The spelling of 461131397 in words is "four hundred sixty-one million, one hundred thirty-one thousand, three hundred ninety-seven".