24948421 has 2 divisors, whose sum is σ = 24948422. Its totient is φ = 24948420.

The previous prime is 24948419. The next prime is 24948457. The reversal of 24948421 is 12484942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24147396 + 801025 = 4914^2 + 895^2 .

It is a cyclic number.

It is not a de Polignac number, because 24948421 - 2¹ = 24948419 is a prime.

Together with 24948419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24948461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12474210 + 12474211.

It is an arithmetic number, because the mean of its divisors is an integer number (12474211).

Almost surely, 2^24948421 is an apocalyptic number.

It is an amenable number.

24948421 is a deficient number, since it is larger than the sum of its proper divisors (1).

24948421 is an equidigital number, since it uses as much as digits as its factorization.

24948421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 34.

The square root of 24948421 is about 4994.8394368588. The cubic root of 24948421 is about 292.2005448207.

The spelling of 24948421 in words is "twenty-four million, nine hundred forty-eight thousand, four hundred twenty-one".