1288900525 has 12 divisors (see below), whose sum is σ = 1743531264. Its totient is φ = 937382000.

The previous prime is 1288900523. The next prime is 1288900553. The reversal of 1288900525 is 5250098821.

It is not a de Polignac number, because 1288900525 - 2¹ = 1288900523 is a prime.

It is a super-2 number, since 2×1288900525² = 3322529126690551250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288900523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2343181 + ... + 2343730.

It is an arithmetic number, because the mean of its divisors is an integer number (145294272).

Almost surely, 2^1288900525 is an apocalyptic number.

It is an amenable number.

1288900525 is a deficient number, since it is larger than the sum of its proper divisors (454630739).

1288900525 is a wasteful number, since it uses less digits than its factorization.

1288900525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686932 (or 4686927 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 1288900525 is about 35901.2607717334. The cubic root of 1288900525 is about 1088.2778756638.

The spelling of 1288900525 in words is "one billion, two hundred eighty-eight million, nine hundred thousand, five hundred twenty-five".