25287255376 has 10 divisors (see below), whose sum is σ = 48994057322. Its totient is φ = 12643627680.

The previous prime is 25287255361. The next prime is 25287255379. The reversal of 25287255376 is 67355278252.

It can be written as a sum of positive squares in only one way, i.e., 17609290000 + 7677965376 = 132700^2 + 87624^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25287255379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 790226715 + ... + 790226746.

Almost surely, 2^25287255376 is an apocalyptic number.

It is an amenable number.

25287255376 is a deficient number, since it is larger than the sum of its proper divisors (23706801946).

25287255376 is a wasteful number, since it uses less digits than its factorization.

25287255376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580453469 (or 1580453463 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 52.

The spelling of 25287255376 in words is "twenty-five billion, two hundred eighty-seven million, two hundred fifty-five thousand, three hundred seventy-six".