825740545 has 16 divisors (see below), whose sum is σ = 1133032320. Its totient is φ = 565928064.

The previous prime is 825740491. The next prime is 825740557. The reversal of 825740545 is 545047528.

It is a cyclic number.

It is not a de Polignac number, because 825740545 - 2⁷ = 825740417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 825740498 and 825740507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78826 + ... + 88684.

It is an arithmetic number, because the mean of its divisors is an integer number (70814520).

Almost surely, 2^825740545 is an apocalyptic number.

It is an amenable number.

825740545 is a deficient number, since it is larger than the sum of its proper divisors (307291775).

825740545 is a wasteful number, since it uses less digits than its factorization.

825740545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12264.

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 825740545 is about 28735.7015748702. The cubic root of 825740545 is about 938.1692695402.

The spelling of 825740545 in words is "eight hundred twenty-five million, seven hundred forty thousand, five hundred forty-five".