25013623 has 2 divisors, whose sum is σ = 25013624. Its totient is φ = 25013622.

The previous prime is 25013617. The next prime is 25013629. The reversal of 25013623 is 32631052.

It is a balanced prime because it is at equal distance from previous prime (25013617) and next prime (25013629).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25013623 is a prime.

It is a super-2 number, since 2×25013623² = 1251362671172258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25013594 and 25013603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25013629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506811 + 12506812.

It is an arithmetic number, because the mean of its divisors is an integer number (12506812).

Almost surely, 2^25013623 is an apocalyptic number.

25013623 is a deficient number, since it is larger than the sum of its proper divisors (1).

25013623 is an equidigital number, since it uses as much as digits as its factorization.

25013623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 25013623 is about 5001.3621144644. The cubic root of 25013623 is about 292.4548760352.

Adding to 25013623 its reverse (32631052), we get a palindrome (57644675).

The spelling of 25013623 in words is "twenty-five million, thirteen thousand, six hundred twenty-three".