18472053 has 4 divisors (see below), whose sum is σ = 24629408. Its totient is φ = 12314700.

The previous prime is 18472049. The next prime is 18472061. The reversal of 18472053 is 35027481.

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 not a de Polignac number, because 18472053 - 2² = 18472049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18472053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18472033) 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, 3078673 + ... + 3078678.

It is an arithmetic number, because the mean of its divisors is an integer number (6157352).

Almost surely, 2^18472053 is an apocalyptic number.

It is an amenable number.

18472053 is a deficient number, since it is larger than the sum of its proper divisors (6157355).

18472053 is an equidigital number, since it uses as much as digits as its factorization.

18472053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157354.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 18472053 is about 4297.9126328952. The cubic root of 18472053 is about 264.3453784248.

The spelling of 18472053 in words is "eighteen million, four hundred seventy-two thousand, fifty-three".