24990403 has 2 divisors, whose sum is σ = 24990404. Its totient is φ = 24990402.

The previous prime is 24990389. The next prime is 24990421. The reversal of 24990403 is 30409942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24990403 - 2²¹ = 22893251 is a prime.

It is not a weakly prime, because it can be changed into another prime (24990463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12495201 + 12495202.

It is an arithmetic number, because the mean of its divisors is an integer number (12495202).

Almost surely, 2^24990403 is an apocalyptic number.

24990403 is a deficient number, since it is larger than the sum of its proper divisors (1).

24990403 is an equidigital number, since it uses as much as digits as its factorization.

24990403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 24990403 is about 4999.0402078799. The cubic root of 24990403 is about 292.3643533016.

The spelling of 24990403 in words is "twenty-four million, nine hundred ninety thousand, four hundred three".