25706496 has 60 divisors (see below), whose sum is σ = 68679632. Its totient is φ = 8552448.

The previous prime is 25706489. The next prime is 25706501. The reversal of 25706496 is 69460752.

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, 48891 + ... + 49413.

Almost surely, 2^25706496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25706496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34339816).

25706496 is an abundant number, since it is smaller than the sum of its proper divisors (42973136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25706496 is an frugal number, since it uses more digits than its factorization.

25706496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 25706496 is about 5070.1573940066. The cubic root of 25706496 is about 295.1306363860.

The spelling of 25706496 in words is "twenty-five million, seven hundred six thousand, four hundred ninety-six".