18252441 has 12 divisors (see below), whose sum is σ = 27915732. Its totient is φ = 11452416.

The previous prime is 18252439. The next prime is 18252461. The reversal of 18252441 is 14425281.

It can be written as a sum of positive squares in 2 ways, for example, as 16281225 + 1971216 = 4035^2 + 1404^2 .

It is not a de Polignac number, because 18252441 - 2¹ = 18252439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18252401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59496 + ... + 59801.

It is an arithmetic number, because the mean of its divisors is an integer number (2326311).

Almost surely, 2^18252441 is an apocalyptic number.

It is an amenable number.

18252441 is a deficient number, since it is larger than the sum of its proper divisors (9663291).

18252441 is a wasteful number, since it uses less digits than its factorization.

18252441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119320 (or 119317 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 18252441 is about 4272.2875605465. The cubic root of 18252441 is about 263.2936091692.

The spelling of 18252441 in words is "eighteen million, two hundred fifty-two thousand, four hundred forty-one".