25545013 has 8 divisors (see below), whose sum is σ = 27557600. Its totient is φ = 23539248.

The previous prime is 25545011. The next prime is 25545049. The reversal of 25545013 is 31054552.

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 25545013 - 2¹ = 25545011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25545011) 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, 8278 + ... + 10936.

It is an arithmetic number, because the mean of its divisors is an integer number (3444700).

Almost surely, 2^25545013 is an apocalyptic number.

It is an amenable number.

25545013 is a deficient number, since it is larger than the sum of its proper divisors (2012587).

25545013 is a wasteful number, since it uses less digits than its factorization.

25545013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 25545013 is about 5054.2074551803. The cubic root of 25545013 is about 294.5113542126.

Adding to 25545013 its reverse (31054552), we get a palindrome (56599565).

The spelling of 25545013 in words is "twenty-five million, five hundred forty-five thousand, thirteen".