24612421 has 2 divisors, whose sum is σ = 24612422. Its totient is φ = 24612420.

The previous prime is 24612409. The next prime is 24612431. The reversal of 24612421 is 12421642.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24611521 + 900 = 4961^2 + 30^2 .

It is a cyclic number.

It is not a de Polignac number, because 24612421 - 2⁵ = 24612389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24612392 and 24612401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24612431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12306210 + 12306211.

It is an arithmetic number, because the mean of its divisors is an integer number (12306211).

Almost surely, 2^24612421 is an apocalyptic number.

It is an amenable number.

24612421 is a deficient number, since it is larger than the sum of its proper divisors (1).

24612421 is an equidigital number, since it uses as much as digits as its factorization.

24612421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 22.

The square root of 24612421 is about 4961.0907066894. The cubic root of 24612421 is about 290.8828466825.

The spelling of 24612421 in words is "twenty-four million, six hundred twelve thousand, four hundred twenty-one".