25113619 has 2 divisors, whose sum is σ = 25113620. Its totient is φ = 25113618.

The previous prime is 25113593. The next prime is 25113629. The reversal of 25113619 is 91631152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25113619 - 2¹¹ = 25111571 is a prime.

It is a super-2 number, since 2×25113619² = 1261387718554322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25113629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12556809 + 12556810.

It is an arithmetic number, because the mean of its divisors is an integer number (12556810).

Almost surely, 2^25113619 is an apocalyptic number.

25113619 is a deficient number, since it is larger than the sum of its proper divisors (1).

25113619 is an equidigital number, since it uses as much as digits as its factorization.

25113619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 28.

The square root of 25113619 is about 5011.3490199746. The cubic root of 25113619 is about 292.8440697487.

The spelling of 25113619 in words is "twenty-five million, one hundred thirteen thousand, six hundred nineteen".