85183157 has 2 divisors, whose sum is σ = 85183158. Its totient is φ = 85183156.

The previous prime is 85183127. The next prime is 85183187. The reversal of 85183157 is 75138158.

It is a balanced prime because it is at equal distance from previous prime (85183127) and next prime (85183187).

It can be written as a sum of positive squares in only one way, i.e., 67256401 + 17926756 = 8201^2 + 4234^2 .

It is a cyclic number.

It is not a de Polignac number, because 85183157 - 2²⁶ = 18074293 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85183157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85183127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42591578 + 42591579.

It is an arithmetic number, because the mean of its divisors is an integer number (42591579).

Almost surely, 2^85183157 is an apocalyptic number.

It is an amenable number.

85183157 is a deficient number, since it is larger than the sum of its proper divisors (1).

85183157 is an equidigital number, since it uses as much as digits as its factorization.

85183157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 38.

The square root of 85183157 is about 9229.4721950933. The cubic root of 85183157 is about 439.9985485489.

The spelling of 85183157 in words is "eighty-five million, one hundred eighty-three thousand, one hundred fifty-seven".