24949997 has 4 divisors (see below), whose sum is σ = 25480896. Its totient is φ = 24419100.

The previous prime is 24949987. The next prime is 24950011. The reversal of 24949997 is 79994942.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 24949997 - 2¹⁸ = 24687853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24949957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265379 + ... + 265472.

It is an arithmetic number, because the mean of its divisors is an integer number (6370224).

Almost surely, 2^24949997 is an apocalyptic number.

It is an amenable number.

24949997 is a deficient number, since it is larger than the sum of its proper divisors (530899).

24949997 is an equidigital number, since it uses as much as digits as its factorization.

24949997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530898.

The product of its digits is 1469664, while the sum is 53.

The square root of 24949997 is about 4994.9971971964. The cubic root of 24949997 is about 292.2066974928.

The spelling of 24949997 in words is "twenty-four million, nine hundred forty-nine thousand, nine hundred ninety-seven".