25045723 has 4 divisors (see below), whose sum is σ = 25058880. Its totient is φ = 25032568.

The previous prime is 25045721. The next prime is 25045771. The reversal of 25045723 is 32754052.

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

It is a cyclic number.

It is not a de Polignac number, because 25045723 - 2¹ = 25045721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25045691 and 25045700.

It is not an unprimeable number, because it can be changed into a prime (25045721) 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, 3115 + ... + 7732.

It is an arithmetic number, because the mean of its divisors is an integer number (6264720).

Almost surely, 2^25045723 is an apocalyptic number.

25045723 is a deficient number, since it is larger than the sum of its proper divisors (13157).

25045723 is a wasteful number, since it uses less digits than its factorization.

25045723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13156.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 25045723 is about 5004.5702113169. The cubic root of 25045723 is about 292.5799250746.

Adding to 25045723 its reverse (32754052), we get a palindrome (57799775).

The spelling of 25045723 in words is "twenty-five million, forty-five thousand, seven hundred twenty-three".