24999427 has 2 divisors, whose sum is σ = 24999428. Its totient is φ = 24999426.

The previous prime is 24999391. The next prime is 24999431. The reversal of 24999427 is 72499942.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24999427 is a prime.

It is not a weakly prime, because it can be changed into another prime (24999467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12499713 + 12499714.

It is an arithmetic number, because the mean of its divisors is an integer number (12499714).

Almost surely, 2^24999427 is an apocalyptic number.

24999427 is a deficient number, since it is larger than the sum of its proper divisors (1).

24999427 is an equidigital number, since it uses as much as digits as its factorization.

24999427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 24999427 is about 4999.9426996717. The cubic root of 24999427 is about 292.3995398547.

The spelling of 24999427 in words is "twenty-four million, nine hundred ninety-nine thousand, four hundred twenty-seven".