464554021 has 4 divisors (see below), whose sum is σ = 464676832. Its totient is φ = 464431212.

The previous prime is 464554007. The next prime is 464554091. The reversal of 464554021 is 120455464.

It is a happy number.

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 464554021 - 2⁵ = 464553989 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 (464554091) 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, 55545 + ... + 63358.

It is an arithmetic number, because the mean of its divisors is an integer number (116169208).

Almost surely, 2^464554021 is an apocalyptic number.

It is an amenable number.

464554021 is a deficient number, since it is larger than the sum of its proper divisors (122811).

464554021 is a wasteful number, since it uses less digits than its factorization.

464554021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122810.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 464554021 is about 21553.5152817354. The cubic root of 464554021 is about 774.4833301336.

The spelling of 464554021 in words is "four hundred sixty-four million, five hundred fifty-four thousand, twenty-one".