18625741 has 2 divisors, whose sum is σ = 18625742. Its totient is φ = 18625740.

The previous prime is 18625723. The next prime is 18625753. The reversal of 18625741 is 14752681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10588516 + 8037225 = 3254^2 + 2835^2 .

It is an emirp because it is prime and its reverse (14752681) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18625741 - 2⁷ = 18625613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18625697 and 18625706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18625721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9312870 + 9312871.

It is an arithmetic number, because the mean of its divisors is an integer number (9312871).

Almost surely, 2^18625741 is an apocalyptic number.

It is an amenable number.

18625741 is a deficient number, since it is larger than the sum of its proper divisors (1).

18625741 is an equidigital number, since it uses as much as digits as its factorization.

18625741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 34.

The square root of 18625741 is about 4315.7549745091. The cubic root of 18625741 is about 265.0764749024.

The spelling of 18625741 in words is "eighteen million, six hundred twenty-five thousand, seven hundred forty-one".