25816090 has 16 divisors (see below), whose sum is σ = 48071880. Its totient is φ = 9970240.

The previous prime is 25816073. The next prime is 25816111. The reversal of 25816090 is 9061852.

It can be written as a sum of positive squares in 4 ways, for example, as 22819729 + 2996361 = 4777^2 + 1731^2 .

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, 44221 + ... + 44800.

Almost surely, 2^25816090 is an apocalyptic number.

25816090 is a deficient number, since it is larger than the sum of its proper divisors (22255790).

25816090 is a wasteful number, since it uses less digits than its factorization.

25816090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89057.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 25816090 is about 5080.9536506447. The cubic root of 25816090 is about 295.5494499925.

The spelling of 25816090 in words is "twenty-five million, eight hundred sixteen thousand, ninety".