830047525 has 12 divisors (see below), whose sum is σ = 1089804132. Its totient is φ = 624976640.

The previous prime is 830047487. The next prime is 830047531. The reversal of 830047525 is 525740038.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 109286116 + 720761409 = 10454^2 + 26847^2 .

It is not a de Polignac number, because 830047525 - 2¹⁹ = 829523237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 976102 + ... + 976951.

It is an arithmetic number, because the mean of its divisors is an integer number (90817011).

Almost surely, 2^830047525 is an apocalyptic number.

830047525 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

830047525 is a deficient number, since it is larger than the sum of its proper divisors (259756607).

830047525 is a wasteful number, since it uses less digits than its factorization.

830047525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953080 (or 1953075 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 830047525 is about 28810.5453783853. The cubic root of 830047525 is about 939.7975741117.

The spelling of 830047525 in words is "eight hundred thirty million, forty-seven thousand, five hundred twenty-five".