835051057 has 4 divisors (see below), whose sum is σ = 835123300. Its totient is φ = 834978816.

The previous prime is 835051043. The next prime is 835051097. The reversal of 835051057 is 750150538.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 750705201 + 84345856 = 27399^2 + 9184^2 .

It is a 3-Lehmer number, since φ(835051057) divides (835051057-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-835051057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (835051097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14448 + ... + 43345.

It is an arithmetic number, because the mean of its divisors is an integer number (208780825).

It is a Poulet number, since it divides 2^835051056-1.

Almost surely, 2^835051057 is an apocalyptic number.

835051057 is the 14449-th decagonal number.

It is an amenable number.

835051057 is a deficient number, since it is larger than the sum of its proper divisors (72243).

835051057 is a wasteful number, since it uses less digits than its factorization.

835051057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72242.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 835051057 is about 28897.2499902672. The cubic root of 835051057 is about 941.6821610767.

The spelling of 835051057 in words is "eight hundred thirty-five million, fifty-one thousand, fifty-seven".