24934985 has 4 divisors (see below), whose sum is σ = 29921988. Its totient is φ = 19947984.

The previous prime is 24934979. The next prime is 24934991. The reversal of 24934985 is 58943942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58943942 = 2 ⋅29471971.

It is an interprime number because it is at equal distance from previous prime (24934979) and next prime (24934991).

It can be written as a sum of positive squares in 2 ways, for example, as 4477456 + 20457529 = 2116^2 + 4523^2 .

It is a cyclic number.

It is not a de Polignac number, because 24934985 - 2⁸ = 24934729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2493494 + ... + 2493503.

It is an arithmetic number, because the mean of its divisors is an integer number (7480497).

Almost surely, 2^24934985 is an apocalyptic number.

It is an amenable number.

24934985 is a deficient number, since it is larger than the sum of its proper divisors (4987003).

24934985 is an equidigital number, since it uses as much as digits as its factorization.

24934985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987002.

The product of its digits is 311040, while the sum is 44.

The square root of 24934985 is about 4993.4942675445. The cubic root of 24934985 is about 292.1480804247.

It can be divided in two parts, 2493 and 4985, that multiplied together give a triangular number (12427605 = T₄₉₈₅).

The spelling of 24934985 in words is "twenty-four million, nine hundred thirty-four thousand, nine hundred eighty-five".