282961225 has 12 divisors (see below), whose sum is σ = 351429516. Its totient is φ = 226009280.

The previous prime is 282961219. The next prime is 282961247. The reversal of 282961225 is 522169282.

It can be written as a sum of positive squares in 6 ways, for example, as 80496784 + 202464441 = 8972^2 + 14229^2 .

It is not a de Polignac number, because 282961225 - 2⁷ = 282961097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7659 + ... + 24991.

It is an arithmetic number, because the mean of its divisors is an integer number (29285793).

Almost surely, 2^282961225 is an apocalyptic number.

282961225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

282961225 is a deficient number, since it is larger than the sum of its proper divisors (68468291).

282961225 is a wasteful number, since it uses less digits than its factorization.

282961225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17996 (or 17991 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 282961225 is about 16821.4513345312. The cubic root of 282961225 is about 656.5114562126.

The spelling of 282961225 in words is "two hundred eighty-two million, nine hundred sixty-one thousand, two hundred twenty-five".