18248507 has 2 divisors, whose sum is σ = 18248508. Its totient is φ = 18248506.

The previous prime is 18248479. The next prime is 18248509. The reversal of 18248507 is 70584281.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18248507 - 2⁶ = 18248443 is a prime.

Together with 18248509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18248509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9124253 + 9124254.

It is an arithmetic number, because the mean of its divisors is an integer number (9124254).

Almost surely, 2^18248507 is an apocalyptic number.

18248507 is a deficient number, since it is larger than the sum of its proper divisors (1).

18248507 is an equidigital number, since it uses as much as digits as its factorization.

18248507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 18248507 is about 4271.8271266520. The cubic root of 18248507 is about 263.2746916724.

The spelling of 18248507 in words is "eighteen million, two hundred forty-eight thousand, five hundred seven".