18525007 has 2 divisors, whose sum is σ = 18525008. Its totient is φ = 18525006.

The previous prime is 18524999. The next prime is 18525041. The reversal of 18525007 is 70052581.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18525007 - 2³ = 18524999 is a prime.

It is equal to p_1182637 and since 18525007 and 1182637 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18525047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9262503 + 9262504.

It is an arithmetic number, because the mean of its divisors is an integer number (9262504).

Almost surely, 2^18525007 is an apocalyptic number.

18525007 is a deficient number, since it is larger than the sum of its proper divisors (1).

18525007 is an equidigital number, since it uses as much as digits as its factorization.

18525007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 18525007 is about 4304.0686565156. The cubic root of 18525007 is about 264.5977378536.

Adding to 18525007 its reverse (70052581), we get a palindrome (88577588).

It can be divided in two parts, 1852 and 5007, that added together give a cube (6859 = 19³).

The spelling of 18525007 in words is "eighteen million, five hundred twenty-five thousand, seven".