24902081 has 4 divisors (see below), whose sum is σ = 24982464. Its totient is φ = 24821700.

The previous prime is 24902063. The next prime is 24902089. The reversal of 24902081 is 18020942.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18020942 = 2 ⋅9010471.

It is a cyclic number.

It is not a de Polignac number, because 24902081 - 2¹⁴ = 24885697 is a prime.

It is a super-2 number, since 2×24902081² = 1240227276261122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24902081.

It is not an unprimeable number, because it can be changed into a prime (24902089) 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, 39725 + ... + 40346.

It is an arithmetic number, because the mean of its divisors is an integer number (6245616).

Almost surely, 2^24902081 is an apocalyptic number.

It is an amenable number.

24902081 is a deficient number, since it is larger than the sum of its proper divisors (80383).

24902081 is an equidigital number, since it uses as much as digits as its factorization.

24902081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80382.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 24902081 is about 4990.1984930461. The cubic root of 24902081 is about 292.0195184613.

The spelling of 24902081 in words is "twenty-four million, nine hundred two thousand, eighty-one".