25113611 has 4 divisors (see below), whose sum is σ = 26435400. Its totient is φ = 23791824.

The previous prime is 25113593. The next prime is 25113619. The reversal of 25113611 is 11631152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25113611 - 2¹⁴ = 25097227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25113619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660866 + ... + 660903.

It is an arithmetic number, because the mean of its divisors is an integer number (6608850).

Almost surely, 2^25113611 is an apocalyptic number.

25113611 is a deficient number, since it is larger than the sum of its proper divisors (1321789).

25113611 is a wasteful number, since it uses less digits than its factorization.

25113611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321788.

The product of its digits is 180, while the sum is 20.

The square root of 25113611 is about 5011.3482217862. The cubic root of 25113611 is about 292.8440386533.

Adding to 25113611 its reverse (11631152), we get a palindrome (36744763).

The spelling of 25113611 in words is "twenty-five million, one hundred thirteen thousand, six hundred eleven".