1085492357 has 2 divisors, whose sum is σ = 1085492358. Its totient is φ = 1085492356.

The previous prime is 1085492321. The next prime is 1085492389. The reversal of 1085492357 is 7532945801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1040320516 + 45171841 = 32254^2 + 6721^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085492357 - 2⁸ = 1085492101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085422357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542746178 + 542746179.

It is an arithmetic number, because the mean of its divisors is an integer number (542746179).

Almost surely, 2^1085492357 is an apocalyptic number.

It is an amenable number.

1085492357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085492357 is an equidigital number, since it uses as much as digits as its factorization.

1085492357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 1085492357 is about 32946.8110292939. The cubic root of 1085492357 is about 1027.7218499461.

The spelling of 1085492357 in words is "one billion, eighty-five million, four hundred ninety-two thousand, three hundred fifty-seven".