25113785 has 16 divisors (see below), whose sum is σ = 31053456. Its totient is φ = 19488768.

The previous prime is 25113779. The next prime is 25113791. The reversal of 25113785 is 58731152.

It is an interprime number because it is at equal distance from previous prime (25113779) and next prime (25113791).

It can be written as a sum of positive squares in 8 ways, for example, as 1948816 + 23164969 = 1396^2 + 4813^2 .

It is a cyclic number.

It is not a de Polignac number, because 25113785 - 2¹⁸ = 24851641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25217 + ... + 26193.

It is an arithmetic number, because the mean of its divisors is an integer number (1940841).

Almost surely, 2^25113785 is an apocalyptic number.

It is an amenable number.

25113785 is a deficient number, since it is larger than the sum of its proper divisors (5939671).

25113785 is an equidigital number, since it uses as much as digits as its factorization.

25113785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132.

The product of its digits is 8400, while the sum is 32.

The square root of 25113785 is about 5011.3655823538. The cubic root of 25113785 is about 292.8447149764.

The spelling of 25113785 in words is "twenty-five million, one hundred thirteen thousand, seven hundred eighty-five".