18254965 has 8 divisors (see below), whose sum is σ = 21929400. Its totient is φ = 14588352.

The previous prime is 18254933. The next prime is 18254969. The reversal of 18254965 is 56945281.

It can be written as a sum of positive squares in 4 ways, for example, as 81796 + 18173169 = 286^2 + 4263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18254965 - 2⁵ = 18254933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18254969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6567 + ... + 8923.

It is an arithmetic number, because the mean of its divisors is an integer number (2741175).

Almost surely, 2^18254965 is an apocalyptic number.

It is an amenable number.

18254965 is a deficient number, since it is larger than the sum of its proper divisors (3674435).

18254965 is a wasteful number, since it uses less digits than its factorization.

18254965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911.

The product of its digits is 86400, while the sum is 40.

The square root of 18254965 is about 4272.5829424366. The cubic root of 18254965 is about 263.3057449422.

The spelling of 18254965 in words is "eighteen million, two hundred fifty-four thousand, nine hundred sixty-five".