18025469 has 16 divisors (see below), whose sum is σ = 22657536. Its totient is φ = 13930800.

The previous prime is 18025463. The next prime is 18025493. The reversal of 18025469 is 96452081.

It is a cyclic number.

It is not a de Polignac number, because 18025469 - 2⁴ = 18025453 is a prime.

It is a super-2 number, since 2×18025469² = 649835065339922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18025463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9194 + ... + 10980.

It is an arithmetic number, because the mean of its divisors is an integer number (1416096).

Almost surely, 2^18025469 is an apocalyptic number.

It is an amenable number.

18025469 is a deficient number, since it is larger than the sum of its proper divisors (4632067).

18025469 is a wasteful number, since it uses less digits than its factorization.

18025469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 18025469 is about 4245.6411765480. The cubic root of 18025469 is about 262.1976879503.

The spelling of 18025469 in words is "eighteen million, twenty-five thousand, four hundred sixty-nine".