25002487 has 2 divisors, whose sum is σ = 25002488. Its totient is φ = 25002486.

The previous prime is 25002469. The next prime is 25002511. The reversal of 25002487 is 78420052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25002487 - 2¹¹ = 25000439 is a prime.

It is equal to p_1566091 and since 25002487 and 1566091 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25000487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12501243 + 12501244.

It is an arithmetic number, because the mean of its divisors is an integer number (12501244).

Almost surely, 2^25002487 is an apocalyptic number.

25002487 is a deficient number, since it is larger than the sum of its proper divisors (1).

25002487 is an equidigital number, since it uses as much as digits as its factorization.

25002487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 25002487 is about 5000.2486938151. The cubic root of 25002487 is about 292.4114695426.

The spelling of 25002487 in words is "twenty-five million, two thousand, four hundred eighty-seven".