25710560 has 96 divisors (see below), whose sum is σ = 64465632. Its totient is φ = 9676800.

The previous prime is 25710557. The next prime is 25710571. The reversal of 25710560 is 6501752.

25710560 = T₄₃₂ + T₄₃₃ + ... + T₆₁₆.

It is a super-2 number, since 2×25710560² = 1322065791027200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254510 + ... + 254610.

It is an arithmetic number, because the mean of its divisors is an integer number (671517).

Almost surely, 2^25710560 is an apocalyptic number.

25710560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25710560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32232816).

25710560 is an abundant number, since it is smaller than the sum of its proper divisors (38755072).

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

25710560 is a wasteful number, since it uses less digits than its factorization.

25710560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 25710560 is about 5070.5581546808. The cubic root of 25710560 is about 295.1461881971.

The spelling of 25710560 in words is "twenty-five million, seven hundred ten thousand, five hundred sixty".