287235339332025 has 48 divisors (see below), whose sum is σ = 542790649425024. Its totient is φ = 131294848980480.

The previous prime is 287235339331979. The next prime is 287235339332059. The reversal of 287235339332025 is 520233933532782.

It is not a de Polignac number, because 287235339332025 - 2³¹ = 287233191848377 is a prime.

It is a super-2 number, since 2×287235339332025² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21111174 + ... + 31939823.

It is an arithmetic number, because the mean of its divisors is an integer number (11308138529688).

Almost surely, 2^{287235339332025} is an apocalyptic number.

287235339332025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

287235339332025 is a deficient number, since it is larger than the sum of its proper divisors (255555310092999).

287235339332025 is a wasteful number, since it uses less digits than its factorization.

287235339332025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53061330 (or 53061325 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 57.

The spelling of 287235339332025 in words is "two hundred eighty-seven trillion, two hundred thirty-five billion, three hundred thirty-nine million, three hundred thirty-two thousand, twenty-five".