25013045 has 8 divisors (see below), whose sum is σ = 30046680. Its totient is φ = 19989760.

The previous prime is 25013041. The next prime is 25013081. The reversal of 25013045 is 54031052.

It can be written as a sum of positive squares in 4 ways, for example, as 6959044 + 18054001 = 2638^2 + 4249^2 .

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

It is not a de Polignac number, because 25013045 - 2² = 25013041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25013041) 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, 4505 + ... + 8385.

It is an arithmetic number, because the mean of its divisors is an integer number (3755835).

Almost surely, 2^25013045 is an apocalyptic number.

It is an amenable number.

25013045 is a deficient number, since it is larger than the sum of its proper divisors (5033635).

25013045 is a wasteful number, since it uses less digits than its factorization.

25013045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 25013045 is about 5001.3043298724. The cubic root of 25013045 is about 292.4526233931.

Adding to 25013045 its reverse (54031052), we get a palindrome (79044097).

The spelling of 25013045 in words is "twenty-five million, thirteen thousand, forty-five".