1009285497 has 24 divisors (see below), whose sum is σ = 1593079488. Its totient is φ = 610653600.

The previous prime is 1009285489. The next prime is 1009285499. The reversal of 1009285497 is 7945829001.

1009285497 is a `hidden beast` number, since 10 + 0 + 92 + 8 + 549 + 7 = 666.

It is not a de Polignac number, because 1009285497 - 2³ = 1009285489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1009285499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52372 + ... + 69002.

It is an arithmetic number, because the mean of its divisors is an integer number (66378312).

Almost surely, 2^1009285497 is an apocalyptic number.

It is an amenable number.

1009285497 is a deficient number, since it is larger than the sum of its proper divisors (583793991).

1009285497 is a wasteful number, since it uses less digits than its factorization.

1009285497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17261 (or 17258 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 1009285497 is about 31769.2539572461. The cubic root of 1009285497 is about 1003.0856347320.

The spelling of 1009285497 in words is "one billion, nine million, two hundred eighty-five thousand, four hundred ninety-seven".