1283254530 has 16 divisors (see below), whose sum is σ = 3079810944. Its totient is φ = 342201200.

The previous prime is 1283254529. The next prime is 1283254573. The reversal of 1283254530 is 354523821.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1283254491 and 1283254500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21387546 + ... + 21387605.

It is an arithmetic number, because the mean of its divisors is an integer number (192488184).

Almost surely, 2^1283254530 is an apocalyptic number.

1283254530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1283254530 is an abundant number, since it is smaller than the sum of its proper divisors (1796556414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1283254530 is a wasteful number, since it uses less digits than its factorization.

1283254530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42775161.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1283254530 is about 35822.5422045951. The cubic root of 1283254530 is about 1086.6864921463.

The spelling of 1283254530 in words is "one billion, two hundred eighty-three million, two hundred fifty-four thousand, five hundred thirty".