25427798 has 32 divisors (see below), whose sum is σ = 42964992. Its totient is φ = 11188800.

The previous prime is 25427771. The next prime is 25427803. The reversal of 25427798 is 89772452.

It is a super-2 number, since 2×25427798² = 1293145822257608, 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 in 15 ways as a sum of consecutive naturals, for example, 113915 + ... + 114137.

It is an arithmetic number, because the mean of its divisors is an integer number (1342656).

Almost surely, 2^25427798 is an apocalyptic number.

25427798 is a deficient number, since it is larger than the sum of its proper divisors (17537194).

25427798 is a wasteful number, since it uses less digits than its factorization.

25427798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380.

The product of its digits is 282240, while the sum is 44.

The square root of 25427798 is about 5042.5983381586. The cubic root of 25427798 is about 294.0602017801.

The spelling of 25427798 in words is "twenty-five million, four hundred twenty-seven thousand, seven hundred ninety-eight".