24961501 has 2 divisors, whose sum is σ = 24961502. Its totient is φ = 24961500.

The previous prime is 24961493. The next prime is 24961507. The reversal of 24961501 is 10516942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21846276 + 3115225 = 4674^2 + 1765^2 .

It is a cyclic number.

It is not a de Polignac number, because 24961501 - 2³ = 24961493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24961501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24961507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12480750 + 12480751.

It is an arithmetic number, because the mean of its divisors is an integer number (12480751).

Almost surely, 2^24961501 is an apocalyptic number.

It is an amenable number.

24961501 is a deficient number, since it is larger than the sum of its proper divisors (1).

24961501 is an equidigital number, since it uses as much as digits as its factorization.

24961501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 24961501 is about 4996.1486166847. The cubic root of 24961501 is about 292.2516010297.

The spelling of 24961501 in words is "twenty-four million, nine hundred sixty-one thousand, five hundred one".