25073 has 2 divisors, whose sum is σ = 25074. Its totient is φ = 25072.

The previous prime is 25057. The next prime is 25087. The reversal of 25073 is 37052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20449 + 4624 = 143^2 + 68^2 .

It is a cyclic number.

It is not a de Polignac number, because 25073 - 2⁴ = 25057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12536 + 12537.

It is an arithmetic number, because the mean of its divisors is an integer number (12537).

2²⁵⁰⁷³ is an apocalyptic number.

It is an amenable number.

25073 is a deficient number, since it is larger than the sum of its proper divisors (1).

25073 is an equidigital number, since it uses as much as digits as its factorization.

25073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 25073 is about 158.3445610054. The cubic root of 25073 is about 29.2686101648.

It can be divided in two parts, 250 and 73, that added together give a palindrome (323).

The spelling of 25073 in words is "twenty-five thousand, seventy-three".