25632073 has 4 divisors (see below), whose sum is σ = 27139860. Its totient is φ = 24124288.

The previous prime is 25632067. The next prime is 25632077. The reversal of 25632073 is 37023652.

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 18249984 + 7382089 = 4272^2 + 2717^2 .

It is a cyclic number.

It is not a de Polignac number, because 25632073 - 2⁵ = 25632041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25632077) 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, 753868 + ... + 753901.

It is an arithmetic number, because the mean of its divisors is an integer number (6784965).

Almost surely, 2^25632073 is an apocalyptic number.

It is an amenable number.

25632073 is a deficient number, since it is larger than the sum of its proper divisors (1507787).

25632073 is a wasteful number, since it uses less digits than its factorization.

25632073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507786.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 25632073 is about 5062.8127557712. The cubic root of 25632073 is about 294.8455497160.

The spelling of 25632073 in words is "twenty-five million, six hundred thirty-two thousand, seventy-three".