25280098 has 8 divisors (see below), whose sum is σ = 38295900. Its totient is φ = 12514800.

The previous prime is 25280081. The next prime is 25280113. The reversal of 25280098 is 89008252.

It can be written as a sum of positive squares in 2 ways, for example, as 23941449 + 1338649 = 4893^2 + 1157^2 .

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

It is a super-3 number, since 3×25280098³ (a number of 23 digits) contains 333 as substring.

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, 62373 + ... + 62776.

Almost surely, 2^25280098 is an apocalyptic number.

25280098 is a deficient number, since it is larger than the sum of its proper divisors (13015802).

25280098 is a wasteful number, since it uses less digits than its factorization.

25280098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125252.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 25280098 is about 5027.9317815579. The cubic root of 25280098 is about 293.4897360944.

The spelling of 25280098 in words is "twenty-five million, two hundred eighty thousand, ninety-eight".