24997963 has 4 divisors (see below), whose sum is σ = 25008048. Its totient is φ = 24987880.

The previous prime is 24997961. The next prime is 24997993. The reversal of 24997963 is 36979942.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 36979942 = 2 ⋅18489971.

It is a cyclic number.

It is not a de Polignac number, because 24997963 - 2¹ = 24997961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24997961) 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, 1545 + ... + 7237.

It is an arithmetic number, because the mean of its divisors is an integer number (6252012).

Almost surely, 2^24997963 is an apocalyptic number.

24997963 is a deficient number, since it is larger than the sum of its proper divisors (10085).

24997963 is an equidigital number, since it uses as much as digits as its factorization.

24997963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084.

The product of its digits is 734832, while the sum is 49.

The square root of 24997963 is about 4999.7962958505. The cubic root of 24997963 is about 292.3938319734.

The spelling of 24997963 in words is "twenty-four million, nine hundred ninety-seven thousand, nine hundred sixty-three".