25277963 has 12 divisors (see below), whose sum is σ = 27438432. Its totient is φ = 23272320.

The previous prime is 25277957. The next prime is 25277969. The reversal of 25277963 is 36977252.

It is an interprime number because it is at equal distance from previous prime (25277957) and next prime (25277969).

It is not a de Polignac number, because 25277963 - 2⁴ = 25277947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25277963.

It is not an unprimeable number, because it can be changed into a prime (25277969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12653 + ... + 14513.

It is an arithmetic number, because the mean of its divisors is an integer number (2286536).

Almost surely, 2^25277963 is an apocalyptic number.

25277963 is a deficient number, since it is larger than the sum of its proper divisors (2160469).

25277963 is a wasteful number, since it uses less digits than its factorization.

25277963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942 (or 1925 counting only the distinct ones).

The product of its digits is 158760, while the sum is 41.

The square root of 25277963 is about 5027.7194631363. The cubic root of 25277963 is about 293.4814737553.

The spelling of 25277963 in words is "twenty-five million, two hundred seventy-seven thousand, nine hundred sixty-three".