25113890 has 8 divisors (see below), whose sum is σ = 45205020. Its totient is φ = 10045552.

The previous prime is 25113889. The next prime is 25113901. The reversal of 25113890 is 9831152.

It can be written as a sum of positive squares in 2 ways, for example, as 24730729 + 383161 = 4973^2 + 619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255685 + ... + 1255704.

Almost surely, 2^25113890 is an apocalyptic number.

25113890 is a deficient number, since it is larger than the sum of its proper divisors (20091130).

25113890 is a wasteful number, since it uses less digits than its factorization.

25113890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511396.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 25113890 is about 5011.3760585292. The cubic root of 25113890 is about 292.8451231009.

It can be divided in two parts, 251 and 13890, that added together give a palindrome (14141).

The spelling of 25113890 in words is "twenty-five million, one hundred thirteen thousand, eight hundred ninety".