25502983 has 4 divisors (see below), whose sum is σ = 27821448. Its totient is φ = 23184520.

The previous prime is 25502957. The next prime is 25502993. The reversal of 25502983 is 38920552.

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 25502983 - 2⁹ = 25502471 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 (25502993) 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, 1159216 + ... + 1159237.

It is an arithmetic number, because the mean of its divisors is an integer number (6955362).

Almost surely, 2^25502983 is an apocalyptic number.

25502983 is a deficient number, since it is larger than the sum of its proper divisors (2318465).

25502983 is a wasteful number, since it uses less digits than its factorization.

25502983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318464.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 25502983 is about 5050.0478215558. The cubic root of 25502983 is about 294.3497426652.

Subtracting 25502983 from its reverse (38920552), we obtain a square (13417569 = 3663²).

The spelling of 25502983 in words is "twenty-five million, five hundred two thousand, nine hundred eighty-three".