1009056531 has 8 divisors (see below), whose sum is σ = 1537609984. Its totient is φ = 576603720.

The previous prime is 1009056523. The next prime is 1009056557. The reversal of 1009056531 is 1356509001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1009056531 - 2³ = 1009056523 is a prime.

It is a super-2 number, since 2×1009056531² = 2036390165507507922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1009054531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24025135 + ... + 24025176.

It is an arithmetic number, because the mean of its divisors is an integer number (192201248).

Almost surely, 2^1009056531 is an apocalyptic number.

1009056531 is a deficient number, since it is larger than the sum of its proper divisors (528553453).

1009056531 is an equidigital number, since it uses as much as digits as its factorization.

1009056531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48050321.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 1009056531 is about 31765.6501743629. The cubic root of 1009056531 is about 1003.0097758279.

The spelling of 1009056531 in words is "one billion, nine million, fifty-six thousand, five hundred thirty-one".