461353421 has 4 divisors (see below), whose sum is σ = 485635200. Its totient is φ = 437071644.

The previous prime is 461353369. The next prime is 461353447. The reversal of 461353421 is 124353164.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 461353421 - 2¹⁸ = 461091277 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 (461353121) 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, 12140861 + ... + 12140898.

It is an arithmetic number, because the mean of its divisors is an integer number (121408800).

Almost surely, 2^461353421 is an apocalyptic number.

It is an amenable number.

461353421 is a deficient number, since it is larger than the sum of its proper divisors (24281779).

461353421 is a wasteful number, since it uses less digits than its factorization.

461353421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24281778.

The product of its digits is 8640, while the sum is 29.

The square root of 461353421 is about 21479.1392052847. The cubic root of 461353421 is about 772.7005981569.

The spelling of 461353421 in words is "four hundred sixty-one million, three hundred fifty-three thousand, four hundred twenty-one".