1283450325 has 24 divisors (see below), whose sum is σ = 2153650848. Its totient is φ = 674287680.

The previous prime is 1283450317. The next prime is 1283450381. The reversal of 1283450325 is 5230543821.

It is not a de Polignac number, because 1283450325 - 2³ = 1283450317 is a prime.

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, 122682 + ... + 132731.

It is an arithmetic number, because the mean of its divisors is an integer number (89735452).

Almost surely, 2^1283450325 is an apocalyptic number.

1283450325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1283450325 is a deficient number, since it is larger than the sum of its proper divisors (870200523).

1283450325 is a wasteful number, since it uses less digits than its factorization.

1283450325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255493 (or 255488 counting only the distinct ones).

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

The square root of 1283450325 is about 35825.2749466072. The cubic root of 1283450325 is about 1086.7417570883.

The spelling of 1283450325 in words is "one billion, two hundred eighty-three million, four hundred fifty thousand, three hundred twenty-five".