25350613 has 2 divisors, whose sum is σ = 25350614. Its totient is φ = 25350612.

The previous prime is 25350601. The next prime is 25350641. The reversal of 25350613 is 31605352.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22972849 + 2377764 = 4793^2 + 1542^2 .

It is a cyclic number.

It is not a de Polignac number, because 25350613 - 2⁵ = 25350581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25350673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12675306 + 12675307.

It is an arithmetic number, because the mean of its divisors is an integer number (12675307).

Almost surely, 2^25350613 is an apocalyptic number.

It is an amenable number.

25350613 is a deficient number, since it is larger than the sum of its proper divisors (1).

25350613 is an equidigital number, since it uses as much as digits as its factorization.

25350613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 25350613 is about 5034.9392250553. The cubic root of 25350613 is about 293.7623644713.

Adding to 25350613 its reverse (31605352), we get a palindrome (56955965).

The spelling of 25350613 in words is "twenty-five million, three hundred fifty thousand, six hundred thirteen".