25002973 has 2 divisors, whose sum is σ = 25002974. Its totient is φ = 25002972.

The previous prime is 25002893. The next prime is 25002977. The reversal of 25002973 is 37920052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13860729 + 11142244 = 3723^2 + 3338^2 .

It is a cyclic number.

It is not a de Polignac number, because 25002973 - 2²¹ = 22905821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25002977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12501486 + 12501487.

It is an arithmetic number, because the mean of its divisors is an integer number (12501487).

Almost surely, 2^25002973 is an apocalyptic number.

It is an amenable number.

25002973 is a deficient number, since it is larger than the sum of its proper divisors (1).

25002973 is an equidigital number, since it uses as much as digits as its factorization.

25002973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 25002973 is about 5000.2972911618. The cubic root of 25002973 is about 292.4133641682.

The spelling of 25002973 in words is "twenty-five million, two thousand, nine hundred seventy-three".