485071157 has 2 divisors, whose sum is σ = 485071158. Its totient is φ = 485071156.

The previous prime is 485071133. The next prime is 485071189. The reversal of 485071157 is 751170584.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447787921 + 37283236 = 21161^2 + 6106^2 .

It is a cyclic number.

It is not a de Polignac number, because 485071157 - 2²² = 480876853 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 485071157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485071117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242535578 + 242535579.

It is an arithmetic number, because the mean of its divisors is an integer number (242535579).

Almost surely, 2^485071157 is an apocalyptic number.

It is an amenable number.

485071157 is a deficient number, since it is larger than the sum of its proper divisors (1).

485071157 is an equidigital number, since it uses as much as digits as its factorization.

485071157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 485071157 is about 22024.3310227575. The cubic root of 485071157 is about 785.7212228447.

The spelling of 485071157 in words is "four hundred eighty-five million, seventy-one thousand, one hundred fifty-seven".