25160987 has 2 divisors, whose sum is σ = 25160988. Its totient is φ = 25160986.

The previous prime is 25160957. The next prime is 25161001. The reversal of 25160987 is 78906152.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25160987 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25160987.

It is not a weakly prime, because it can be changed into another prime (25160957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12580493 + 12580494.

It is an arithmetic number, because the mean of its divisors is an integer number (12580494).

Almost surely, 2^25160987 is an apocalyptic number.

25160987 is a deficient number, since it is larger than the sum of its proper divisors (1).

25160987 is an equidigital number, since it uses as much as digits as its factorization.

25160987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 25160987 is about 5016.0728662969. The cubic root of 25160987 is about 293.0280698568.

The spelling of 25160987 in words is "twenty-five million, one hundred sixty thousand, nine hundred eighty-seven".