25522545 has 8 divisors (see below), whose sum is σ = 40836096. Its totient is φ = 13612016.

The previous prime is 25522537. The next prime is 25522561. The reversal of 25522545 is 54522552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25522545 - 2³ = 25522537 is a prime.

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, 850737 + ... + 850766.

It is an arithmetic number, because the mean of its divisors is an integer number (5104512).

Almost surely, 2^25522545 is an apocalyptic number.

It is an amenable number.

25522545 is a deficient number, since it is larger than the sum of its proper divisors (15313551).

25522545 is a wasteful number, since it uses less digits than its factorization.

25522545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701511.

The product of its digits is 20000, while the sum is 30.

The square root of 25522545 is about 5051.9842636334. The cubic root of 25522545 is about 294.4249835113.

The spelling of 25522545 in words is "twenty-five million, five hundred twenty-two thousand, five hundred forty-five".