24995947 has 2 divisors, whose sum is σ = 24995948. Its totient is φ = 24995946.

The previous prime is 24995923. The next prime is 24995969. The reversal of 24995947 is 74959942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24995947 - 2¹⁵ = 24963179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24995947.

It is not a weakly prime, because it can be changed into another prime (24995977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12497973 + 12497974.

It is an arithmetic number, because the mean of its divisors is an integer number (12497974).

Almost surely, 2^24995947 is an apocalyptic number.

24995947 is a deficient number, since it is larger than the sum of its proper divisors (1).

24995947 is an equidigital number, since it uses as much as digits as its factorization.

24995947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 24995947 is about 4999.5946835719. The cubic root of 24995947 is about 292.3859715754.

The spelling of 24995947 in words is "twenty-four million, nine hundred ninety-five thousand, nine hundred forty-seven".