18246025 has 24 divisors (see below), whose sum is σ = 26498304. Its totient is φ = 12201600.

The previous prime is 18245999. The next prime is 18246029. The reversal of 18246025 is 52064281.

It is not a de Polignac number, because 18246025 - 2⁵ = 18245993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18245984 and 18246002.

It is not an unprimeable number, because it can be changed into a prime (18246029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5904 + ... + 8446.

It is an arithmetic number, because the mean of its divisors is an integer number (1104096).

Almost surely, 2^18246025 is an apocalyptic number.

It is an amenable number.

18246025 is a deficient number, since it is larger than the sum of its proper divisors (8252279).

18246025 is a wasteful number, since it uses less digits than its factorization.

18246025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601 (or 2596 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 18246025 is about 4271.5366087627. The cubic root of 18246025 is about 263.2627550354.

The spelling of 18246025 in words is "eighteen million, two hundred forty-six thousand, twenty-five".