835130961025 has 27 divisors (see below), whose sum is σ = 1042056175881. Its totient is φ = 663941245440.

The previous prime is 835130961019. The next prime is 835130961031. The reversal of 835130961025 is 520169031538.

The square root of 835130961025 is 913855.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (835130961019) and next prime (835130961031).

It can be written as a sum of positive squares in 4 ways, for example, as 134314187121 + 700816773904 = 366489^2 + 837148^2 .

It is not a de Polignac number, because 835130961025 - 2²⁵ = 835097406593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 881869602 + ... + 881870548.

Almost surely, 2^835130961025 is an apocalyptic number.

835130961025 is the 913855-th square number.

835130961025 is the 456928-th centered octagonal number.

It is an amenable number.

835130961025 is a deficient number, since it is larger than the sum of its proper divisors (206925214856).

835130961025 is an frugal number, since it uses more digits than its factorization.

835130961025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 835130961025 in words is "eight hundred thirty-five billion, one hundred thirty million, nine hundred sixty-one thousand, twenty-five".