835400801 has 2 divisors, whose sum is σ = 835400802. Its totient is φ = 835400800.

The previous prime is 835400777. The next prime is 835400809. The reversal of 835400801 is 108004538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 528310225 + 307090576 = 22985^2 + 17524^2 .

It is a cyclic number.

It is not a de Polignac number, because 835400801 - 2⁶ = 835400737 is a prime.

It is a super-2 number, since 2×835400801² = 1395788996622883202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (835400809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417700400 + 417700401.

It is an arithmetic number, because the mean of its divisors is an integer number (417700401).

Almost surely, 2^835400801 is an apocalyptic number.

It is an amenable number.

835400801 is a deficient number, since it is larger than the sum of its proper divisors (1).

835400801 is an equidigital number, since it uses as much as digits as its factorization.

835400801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 835400801 is about 28903.3008668560. The cubic root of 835400801 is about 941.8136108101.

The spelling of 835400801 in words is "eight hundred thirty-five million, four hundred thousand, eight hundred one".