85274963 has 2 divisors, whose sum is σ = 85274964. Its totient is φ = 85274962.

The previous prime is 85274939. The next prime is 85274999. The reversal of 85274963 is 36947258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85274963 - 2¹⁶ = 85209427 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (85274663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42637481 + 42637482.

It is an arithmetic number, because the mean of its divisors is an integer number (42637482).

Almost surely, 2^85274963 is an apocalyptic number.

85274963 is a deficient number, since it is larger than the sum of its proper divisors (1).

85274963 is an equidigital number, since it uses as much as digits as its factorization.

85274963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 85274963 is about 9234.4443796040. Note that the first 3 decimals coincide. The cubic root of 85274963 is about 440.1565610213.

Adding to 85274963 its reverse (36947258), we get a palindrome (122222221).

The spelling of 85274963 in words is "eighty-five million, two hundred seventy-four thousand, nine hundred sixty-three".