9925613 has 2 divisors, whose sum is σ = 9925614. Its totient is φ = 9925612.

The previous prime is 9925607. The next prime is 9925633. The reversal of 9925613 is 3165299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9223369 + 702244 = 3037^2 + 838^2 .

It is an emirp because it is prime and its reverse (3165299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9925613 - 2¹⁸ = 9663469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9925633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4962806 + 4962807.

It is an arithmetic number, because the mean of its divisors is an integer number (4962807).

Almost surely, 2^9925613 is an apocalyptic number.

It is an amenable number.

9925613 is a deficient number, since it is larger than the sum of its proper divisors (1).

9925613 is an equidigital number, since it uses as much as digits as its factorization.

9925613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 35.

The square root of 9925613 is about 3150.4940882344. The cubic root of 9925613 is about 214.9079324571.

The spelling of 9925613 in words is "nine million, nine hundred twenty-five thousand, six hundred thirteen".