25426545 has 32 divisors (see below), whose sum is σ = 42240000. Its totient is φ = 13051584.

The previous prime is 25426537. The next prime is 25426549. The reversal of 25426545 is 54562452.

It is not a de Polignac number, because 25426545 - 2³ = 25426537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25426549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50706 + ... + 51204.

It is an arithmetic number, because the mean of its divisors is an integer number (1320000).

Almost surely, 2^25426545 is an apocalyptic number.

It is an amenable number.

25426545 is a deficient number, since it is larger than the sum of its proper divisors (16813455).

25426545 is a wasteful number, since it uses less digits than its factorization.

25426545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629.

The product of its digits is 48000, while the sum is 33.

The square root of 25426545 is about 5042.4740951243. The cubic root of 25426545 is about 294.0553715875.

Adding to 25426545 its reverse (54562452), we get a palindrome (79988997).

The spelling of 25426545 in words is "twenty-five million, four hundred twenty-six thousand, five hundred forty-five".