18350525 has 6 divisors (see below), whose sum is σ = 22754682. Its totient is φ = 14680400.

The previous prime is 18350513. The next prime is 18350567. The reversal of 18350525 is 52505381.

It can be written as a sum of positive squares in 3 ways, for example, as 219961 + 18130564 = 469^2 + 4258^2 .

It is not a de Polignac number, because 18350525 - 2¹⁶ = 18284989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 366986 + ... + 367035.

It is an arithmetic number, because the mean of its divisors is an integer number (3792447).

Almost surely, 2^18350525 is an apocalyptic number.

It is an amenable number.

18350525 is a deficient number, since it is larger than the sum of its proper divisors (4404157).

18350525 is an equidigital number, since it uses as much as digits as its factorization.

18350525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734031 (or 734026 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 18350525 is about 4283.7512766266. The cubic root of 18350525 is about 263.7643912994.

The spelling of 18350525 in words is "eighteen million, three hundred fifty thousand, five hundred twenty-five".