1283547552 has 72 divisors (see below), whose sum is σ = 3919418496. Its totient is φ = 366726528.

The previous prime is 1283547547. The next prime is 1283547571. The reversal of 1283547552 is 2557453821.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 131728 + ... + 141135.

It is an arithmetic number, because the mean of its divisors is an integer number (54436368).

Almost surely, 2^1283547552 is an apocalyptic number.

1283547552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1283547552 is an abundant number, since it is smaller than the sum of its proper divisors (2635870944).

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

1283547552 is a wasteful number, since it uses less digits than its factorization.

1283547552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272890 (or 272875 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

The square root of 1283547552 is about 35826.6318818836. The cubic root of 1283547552 is about 1086.7691982160.

The spelling of 1283547552 in words is "one billion, two hundred eighty-three million, five hundred forty-seven thousand, five hundred fifty-two".