853501841 has 2 divisors, whose sum is σ = 853501842. Its totient is φ = 853501840.

The previous prime is 853501819. The next prime is 853501843. The reversal of 853501841 is 148105358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 755095441 + 98406400 = 27479^2 + 9920^2 .

It is a cyclic number.

It is not a de Polignac number, because 853501841 - 2¹⁸ = 853239697 is a prime.

Together with 853501843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (853501843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426750920 + 426750921.

It is an arithmetic number, because the mean of its divisors is an integer number (426750921).

Almost surely, 2^853501841 is an apocalyptic number.

It is an amenable number.

853501841 is a deficient number, since it is larger than the sum of its proper divisors (1).

853501841 is an equidigital number, since it uses as much as digits as its factorization.

853501841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 853501841 is about 29214.7538240527. The cubic root of 853501841 is about 948.5673108165.

The spelling of 853501841 in words is "eight hundred fifty-three million, five hundred one thousand, eight hundred forty-one".