24979901 has 2 divisors, whose sum is σ = 24979902. Its totient is φ = 24979900.

The previous prime is 24979853. The next prime is 24979937. The reversal of 24979901 is 10997942.

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., 13764100 + 11215801 = 3710^2 + 3349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24979901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24979961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12489950 + 12489951.

It is an arithmetic number, because the mean of its divisors is an integer number (12489951).

Almost surely, 2^24979901 is an apocalyptic number.

It is an amenable number.

24979901 is a deficient number, since it is larger than the sum of its proper divisors (1).

24979901 is an equidigital number, since it uses as much as digits as its factorization.

24979901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 24979901 is about 4997.9896958677. The cubic root of 24979901 is about 292.3233930358.

The spelling of 24979901 in words is "twenty-four million, nine hundred seventy-nine thousand, nine hundred one".