25024513 has 2 divisors, whose sum is σ = 25024514. Its totient is φ = 25024512.

The previous prime is 25024511. The next prime is 25024541. The reversal of 25024513 is 31542052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21594609 + 3429904 = 4647^2 + 1852^2 .

It is a cyclic number.

It is not a de Polignac number, because 25024513 - 2¹ = 25024511 is a prime.

Together with 25024511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25024511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12512256 + 12512257.

It is an arithmetic number, because the mean of its divisors is an integer number (12512257).

Almost surely, 2^25024513 is an apocalyptic number.

It is an amenable number.

25024513 is a deficient number, since it is larger than the sum of its proper divisors (1).

25024513 is an equidigital number, since it uses as much as digits as its factorization.

25024513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25024513 is about 5002.4506994072. The cubic root of 25024513 is about 292.4973111984.

Adding to 25024513 its reverse (31542052), we get a palindrome (56566565).

The spelling of 25024513 in words is "twenty-five million, twenty-four thousand, five hundred thirteen".