24465421 has 2 divisors, whose sum is σ = 24465422. Its totient is φ = 24465420.

The previous prime is 24465391. The next prime is 24465433. The reversal of 24465421 is 12456442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21261321 + 3204100 = 4611^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 24465421 - 2¹³ = 24457229 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24465421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24465451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12232710 + 12232711.

It is an arithmetic number, because the mean of its divisors is an integer number (12232711).

Almost surely, 2^24465421 is an apocalyptic number.

It is an amenable number.

24465421 is a deficient number, since it is larger than the sum of its proper divisors (1).

24465421 is an equidigital number, since it uses as much as digits as its factorization.

24465421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 28.

The square root of 24465421 is about 4946.2532284548. The cubic root of 24465421 is about 290.3025815257.

The spelling of 24465421 in words is "twenty-four million, four hundred sixty-five thousand, four hundred twenty-one".