825727613 has 8 divisors (see below), whose sum is σ = 829987200. Its totient is φ = 821479680.

The previous prime is 825727589. The next prime is 825727649. The reversal of 825727613 is 316727528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 825727613 - 2⁶ = 825727549 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 (825727663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162278 + ... + 167288.

It is an arithmetic number, because the mean of its divisors is an integer number (103748400).

Almost surely, 2^825727613 is an apocalyptic number.

It is an amenable number.

825727613 is a deficient number, since it is larger than the sum of its proper divisors (4259587).

825727613 is a wasteful number, since it uses less digits than its factorization.

825727613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827.

The product of its digits is 141120, while the sum is 41.

The square root of 825727613 is about 28735.4765577326. The cubic root of 825727613 is about 938.1643719290.

The spelling of 825727613 in words is "eight hundred twenty-five million, seven hundred twenty-seven thousand, six hundred thirteen".