1082785531 has 2 divisors, whose sum is σ = 1082785532. Its totient is φ = 1082785530.

The previous prime is 1082785507. The next prime is 1082785541. The reversal of 1082785531 is 1355872801.

It is a strong prime.

It is an emirp because it is prime and its reverse (1355872801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1082785531 - 2²¹ = 1080688379 is a prime.

It is a super-2 number, since 2×1082785531² = 2344849012285903922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1082785541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541392765 + 541392766.

It is an arithmetic number, because the mean of its divisors is an integer number (541392766).

Almost surely, 2^1082785531 is an apocalyptic number.

1082785531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082785531 is an equidigital number, since it uses as much as digits as its factorization.

1082785531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 1082785531 is about 32905.7066631306. The cubic root of 1082785531 is about 1026.8668831541.

The spelling of 1082785531 in words is "one billion, eighty-two million, seven hundred eighty-five thousand, five hundred thirty-one".