25023071 has 4 divisors (see below), whose sum is σ = 25060392. Its totient is φ = 24985752.

The previous prime is 25023067. The next prime is 25023073. The reversal of 25023071 is 17032052.

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 25023071 - 2² = 25023067 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 (25023073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17636 + ... + 19001.

It is an arithmetic number, because the mean of its divisors is an integer number (6265098).

Almost surely, 2^25023071 is an apocalyptic number.

25023071 is a deficient number, since it is larger than the sum of its proper divisors (37321).

25023071 is an equidigital number, since it uses as much as digits as its factorization.

25023071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37320.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 25023071 is about 5002.3065679744. The cubic root of 25023071 is about 292.4916928510.

The spelling of 25023071 in words is "twenty-five million, twenty-three thousand, seventy-one".