25054745 has 4 divisors (see below), whose sum is σ = 30065700. Its totient is φ = 20043792.

The previous prime is 25054741. The next prime is 25054747. The reversal of 25054745 is 54745052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6071296 + 18983449 = 2464^2 + 4357^2 .

It is a cyclic number.

It is not a de Polignac number, because 25054745 - 2² = 25054741 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (25054741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505470 + ... + 2505479.

It is an arithmetic number, because the mean of its divisors is an integer number (7516425).

Almost surely, 2^25054745 is an apocalyptic number.

It is an amenable number.

25054745 is a deficient number, since it is larger than the sum of its proper divisors (5010955).

25054745 is an equidigital number, since it uses as much as digits as its factorization.

25054745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010954.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 25054745 is about 5005.4715062619. The cubic root of 25054745 is about 292.6150520195.

Adding to 25054745 its reverse (54745052), we get a palindrome (79799797).

The spelling of 25054745 in words is "twenty-five million, fifty-four thousand, seven hundred forty-five".