25435990 has 16 divisors (see below), whose sum is σ = 46902240. Its totient is φ = 9926080.

The previous prime is 25435967. The next prime is 25436009. The reversal of 25435990 is 9953452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30610 + ... + 31429.

It is an arithmetic number, because the mean of its divisors is an integer number (2931390).

Almost surely, 2^25435990 is an apocalyptic number.

25435990 is a deficient number, since it is larger than the sum of its proper divisors (21466250).

25435990 is a wasteful number, since it uses less digits than its factorization.

25435990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62087.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 25435990 is about 5043.4105523941. The cubic root of 25435990 is about 294.0917772305.

The spelling of 25435990 in words is "twenty-five million, four hundred thirty-five thousand, nine hundred ninety".