18252963 has 6 divisors (see below), whose sum is σ = 26365404. Its totient is φ = 12168636.

The previous prime is 18252959. The next prime is 18252973. The reversal of 18252963 is 36925281.

It is not a de Polignac number, because 18252963 - 2² = 18252959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18252943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1014045 + ... + 1014062.

It is an arithmetic number, because the mean of its divisors is an integer number (4394234).

Almost surely, 2^18252963 is an apocalyptic number.

18252963 is a deficient number, since it is larger than the sum of its proper divisors (8112441).

18252963 is a wasteful number, since it uses less digits than its factorization.

18252963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028113 (or 2028110 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 18252963 is about 4272.3486515031. The cubic root of 18252963 is about 263.2961191158.

The spelling of 18252963 in words is "eighteen million, two hundred fifty-two thousand, nine hundred sixty-three".