825140945 has 8 divisors (see below), whose sum is σ = 992756736. Its totient is φ = 658387696.

The previous prime is 825140933. The next prime is 825140957. The reversal of 825140945 is 549041528.

825140945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (825140933) and next prime (825140957).

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 825140945 - 2⁶ = 825140881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 825140899 and 825140908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213527 + ... + 217356.

It is an arithmetic number, because the mean of its divisors is an integer number (124094592).

Almost surely, 2^825140945 is an apocalyptic number.

It is an amenable number.

825140945 is a deficient number, since it is larger than the sum of its proper divisors (167615791).

825140945 is a wasteful number, since it uses less digits than its factorization.

825140945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431271.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 825140945 is about 28725.2666654289. The cubic root of 825140945 is about 937.9421350368.

The spelling of 825140945 in words is "eight hundred twenty-five million, one hundred forty thousand, nine hundred forty-five".