18524941 has 2 divisors, whose sum is σ = 18524942. Its totient is φ = 18524940.

The previous prime is 18524927. The next prime is 18524969. The reversal of 18524941 is 14942581.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17464041 + 1060900 = 4179^2 + 1030^2 .

It is an emirp because it is prime and its reverse (14942581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18524941 - 2¹³ = 18516749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18524897 and 18524906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18524911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9262470 + 9262471.

It is an arithmetic number, because the mean of its divisors is an integer number (9262471).

Almost surely, 2^18524941 is an apocalyptic number.

It is an amenable number.

18524941 is a deficient number, since it is larger than the sum of its proper divisors (1).

18524941 is an equidigital number, since it uses as much as digits as its factorization.

18524941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

The square root of 18524941 is about 4304.0609893448. The cubic root of 18524941 is about 264.5974236212.

The spelling of 18524941 in words is "eighteen million, five hundred twenty-four thousand, nine hundred forty-one".