85363961 has 2 divisors, whose sum is σ = 85363962. Its totient is φ = 85363960.

The previous prime is 85363951. The next prime is 85363969. The reversal of 85363961 is 16936358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53509225 + 31854736 = 7315^2 + 5644^2 .

It is a cyclic number.

It is not a de Polignac number, because 85363961 - 2⁶ = 85363897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85363969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42681980 + 42681981.

It is an arithmetic number, because the mean of its divisors is an integer number (42681981).

Almost surely, 2^85363961 is an apocalyptic number.

It is an amenable number.

85363961 is a deficient number, since it is larger than the sum of its proper divisors (1).

85363961 is an equidigital number, since it uses as much as digits as its factorization.

85363961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 85363961 is about 9239.2619293967. The cubic root of 85363961 is about 440.3096322643.

The spelling of 85363961 in words is "eighty-five million, three hundred sixty-three thousand, nine hundred sixty-one".