24969421 has 4 divisors (see below), whose sum is σ = 26055072. Its totient is φ = 23883772.

The previous prime is 24969419. The next prime is 24969457. The reversal of 24969421 is 12496942.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12496942 = 2 ⋅6248471.

It is a cyclic number.

It is not a de Polignac number, because 24969421 - 2¹ = 24969419 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 (24969491) 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, 542791 + ... + 542836.

It is an arithmetic number, because the mean of its divisors is an integer number (6513768).

Almost surely, 2^24969421 is an apocalyptic number.

It is an amenable number.

24969421 is a deficient number, since it is larger than the sum of its proper divisors (1085651).

24969421 is a wasteful number, since it uses less digits than its factorization.

24969421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085650.

The product of its digits is 31104, while the sum is 37.

The square root of 24969421 is about 4996.9411643524. The cubic root of 24969421 is about 292.2825071294.

The spelling of 24969421 in words is "twenty-four million, nine hundred sixty-nine thousand, four hundred twenty-one".