25274890 has 8 divisors (see below), whose sum is σ = 45494820. Its totient is φ = 10109952.

The previous prime is 25274881. The next prime is 25274891. The reversal of 25274890 is 9847252.

It can be written as a sum of positive squares in 2 ways, for example, as 23261329 + 2013561 = 4823^2 + 1419^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25274891) 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, 1263735 + ... + 1263754.

Almost surely, 2^25274890 is an apocalyptic number.

25274890 is a deficient number, since it is larger than the sum of its proper divisors (20219930).

25274890 is a wasteful number, since it uses less digits than its factorization.

25274890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527496.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 25274890 is about 5027.4138480933. The cubic root of 25274890 is about 293.4695805882.

The spelling of 25274890 in words is "twenty-five million, two hundred seventy-four thousand, eight hundred ninety".