25785060 has 144 divisors (see below), whose sum is σ = 86626176. Its totient is φ = 5612544.

The previous prime is 25785059. The next prime is 25785061. The reversal of 25785060 is 6058752.

25785060 = 153² + 154² + ... + 432².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25785059) and next prime (25785061).

It is not an unprimeable number, because it can be changed into a prime (25785061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 353184 + ... + 353256.

Almost surely, 2^25785060 is an apocalyptic number.

25785060 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 25785060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43313088).

25785060 is an abundant number, since it is smaller than the sum of its proper divisors (60841116).

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

25785060 is a wasteful number, since it uses less digits than its factorization.

25785060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 25785060 is about 5077.8991719017. The cubic root of 25785060 is about 295.4309892928.

The spelling of 25785060 in words is "twenty-five million, seven hundred eighty-five thousand, sixty".