461854457 has 4 divisors (see below), whose sum is σ = 462655476. Its totient is φ = 461053440.

The previous prime is 461854447. The next prime is 461854499. The reversal of 461854457 is 754458164.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 333281536 + 128572921 = 18256^2 + 11339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461854457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461854417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399644 + ... + 400797.

It is an arithmetic number, because the mean of its divisors is an integer number (115663869).

Almost surely, 2^461854457 is an apocalyptic number.

It is an amenable number.

461854457 is a deficient number, since it is larger than the sum of its proper divisors (801019).

461854457 is an equidigital number, since it uses as much as digits as its factorization.

461854457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801018.

The product of its digits is 537600, while the sum is 44.

The square root of 461854457 is about 21490.7993569341. The cubic root of 461854457 is about 772.9802180271.

The spelling of 461854457 in words is "four hundred sixty-one million, eight hundred fifty-four thousand, four hundred fifty-seven".