25085798 has 4 divisors (see below), whose sum is σ = 37628700. Its totient is φ = 12542898.

The previous prime is 25085779. The next prime is 25085831. The reversal of 25085798 is 89758052.

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

It is a super-2 number, since 2×25085798² = 1258594522593608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6271448 + ... + 6271451.

It is an arithmetic number, because the mean of its divisors is an integer number (9407175).

Almost surely, 2^25085798 is an apocalyptic number.

25085798 is a deficient number, since it is larger than the sum of its proper divisors (12542902).

25085798 is a wasteful number, since it uses less digits than its factorization.

25085798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12542901.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 25085798 is about 5008.5724513079. The cubic root of 25085798 is about 292.7358917222.

The spelling of 25085798 in words is "twenty-five million, eighty-five thousand, seven hundred ninety-eight".