18454901 has 4 divisors (see below), whose sum is σ = 19257312. Its totient is φ = 17652492.

The previous prime is 18454883. The next prime is 18454927. The reversal of 18454901 is 10945481.

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 18454901 - 2⁶ = 18454837 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 (11454901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401171 + ... + 401216.

It is an arithmetic number, because the mean of its divisors is an integer number (4814328).

Almost surely, 2^18454901 is an apocalyptic number.

It is an amenable number.

18454901 is a deficient number, since it is larger than the sum of its proper divisors (802411).

18454901 is an equidigital number, since it uses as much as digits as its factorization.

18454901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802410.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 18454901 is about 4295.9167822480. The cubic root of 18454901 is about 264.2635348600.

The spelling of 18454901 in words is "eighteen million, four hundred fifty-four thousand, nine hundred one".