830525399 has 4 divisors (see below), whose sum is σ = 906027720. Its totient is φ = 755023080.

The previous prime is 830525393. The next prime is 830525401. The reversal of 830525399 is 993525038.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 830525399 - 2¹² = 830521303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830525393) 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, 37751144 + ... + 37751165.

It is an arithmetic number, because the mean of its divisors is an integer number (226506930).

Almost surely, 2^830525399 is an apocalyptic number.

830525399 is a deficient number, since it is larger than the sum of its proper divisors (75502321).

830525399 is a wasteful number, since it uses less digits than its factorization.

830525399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75502320.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 830525399 is about 28818.8375719771. The cubic root of 830525399 is about 939.9778925689.

The spelling of 830525399 in words is "eight hundred thirty million, five hundred twenty-five thousand, three hundred ninety-nine".