24625261 has 2 divisors, whose sum is σ = 24625262. Its totient is φ = 24625260.

The previous prime is 24625259. The next prime is 24625267. The reversal of 24625261 is 16252642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18224361 + 6400900 = 4269^2 + 2530^2 .

It is a cyclic number.

It is not a de Polignac number, because 24625261 - 2¹ = 24625259 is a prime.

Together with 24625259, 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 (24625267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12312630 + 12312631.

It is an arithmetic number, because the mean of its divisors is an integer number (12312631).

Almost surely, 2^24625261 is an apocalyptic number.

It is an amenable number.

24625261 is a deficient number, since it is larger than the sum of its proper divisors (1).

24625261 is an equidigital number, since it uses as much as digits as its factorization.

24625261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 28.

The square root of 24625261 is about 4962.3846082302. The cubic root of 24625261 is about 290.9334212339.

The spelling of 24625261 in words is "twenty-four million, six hundred twenty-five thousand, two hundred sixty-one".