283115525 has 24 divisors (see below), whose sum is σ = 437692224. Its totient is φ = 176486400.

The previous prime is 283115519. The next prime is 283115543. The reversal of 283115525 is 525511382.

It is not a de Polignac number, because 283115525 - 2⁶ = 283115461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 283115491 and 283115500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71612 + ... + 75461.

It is an arithmetic number, because the mean of its divisors is an integer number (18237176).

Almost surely, 2^283115525 is an apocalyptic number.

283115525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

283115525 is a deficient number, since it is larger than the sum of its proper divisors (154576699).

283115525 is a wasteful number, since it uses less digits than its factorization.

283115525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147101 (or 147096 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The square root of 283115525 is about 16826.0371151380. The cubic root of 283115525 is about 656.6307673894.

The spelling of 283115525 in words is "two hundred eighty-three million, one hundred fifteen thousand, five hundred twenty-five".