25560546 has 16 divisors (see below), whose sum is σ = 55768608. Its totient is φ = 7745600.

The previous prime is 25560541. The next prime is 25560559. The reversal of 25560546 is 64506552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (25560541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193575 + ... + 193706.

It is an arithmetic number, because the mean of its divisors is an integer number (3485538).

Almost surely, 2^25560546 is an apocalyptic number.

25560546 is an abundant number, since it is smaller than the sum of its proper divisors (30208062).

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

25560546 is a wasteful number, since it uses less digits than its factorization.

25560546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387297.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 25560546 is about 5055.7438621829. The cubic root of 25560546 is about 294.5710360241.

It can be divided in two parts, 25560 and 546, that added together give a triangular number (26106 = T₂₂₈).

The spelling of 25560546 in words is "twenty-five million, five hundred sixty thousand, five hundred forty-six".