1085374531 has 4 divisors (see below), whose sum is σ = 1132564752. Its totient is φ = 1038184312.

The previous prime is 1085374529. The next prime is 1085374541. The reversal of 1085374531 is 1354735801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1085374531 - 2¹ = 1085374529 is a prime.

It is a super-2 number, since 2×1085374531² = 2356075745086939922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085374541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23595076 + ... + 23595121.

It is an arithmetic number, because the mean of its divisors is an integer number (283141188).

Almost surely, 2^1085374531 is an apocalyptic number.

1085374531 is a deficient number, since it is larger than the sum of its proper divisors (47190221).

1085374531 is an equidigital number, since it uses as much as digits as its factorization.

1085374531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47190220.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1085374531 is about 32945.0228562677. The cubic root of 1085374531 is about 1027.6846635223.

The spelling of 1085374531 in words is "one billion, eighty-five million, three hundred seventy-four thousand, five hundred thirty-one".