25945274 has 4 divisors (see below), whose sum is σ = 38917914. Its totient is φ = 12972636.

The previous prime is 25945267. The next prime is 25945277. The reversal of 25945274 is 47254952.

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

It can be written as a sum of positive squares in only one way, i.e., 24750625 + 1194649 = 4975^2 + 1093^2 .

It is a super-3 number, since 3×25945274³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25945277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6486317 + ... + 6486320.

Almost surely, 2^25945274 is an apocalyptic number.

25945274 is a deficient number, since it is larger than the sum of its proper divisors (12972640).

25945274 is a wasteful number, since it uses less digits than its factorization.

25945274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12972639.

The product of its digits is 100800, while the sum is 38.

The square root of 25945274 is about 5093.6503609887. The cubic root of 25945274 is about 296.0416075551.

The spelling of 25945274 in words is "twenty-five million, nine hundred forty-five thousand, two hundred seventy-four".