825419475 has 18 divisors (see below), whose sum is σ = 1478418396. Its totient is φ = 440223600.

The previous prime is 825419471. The next prime is 825419501. The reversal of 825419475 is 574914528.

It is not a de Polignac number, because 825419475 - 2² = 825419471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 825419475.

It is not an unprimeable number, because it can be changed into a prime (825419471) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1834041 + ... + 1834490.

Almost surely, 2^825419475 is an apocalyptic number.

825419475 is a deficient number, since it is larger than the sum of its proper divisors (652998921).

825419475 is a wasteful number, since it uses less digits than its factorization.

825419475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668547 (or 3668539 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 825419475 is about 28730.1144271999. The cubic root of 825419475 is about 938.0476586790.

The spelling of 825419475 in words is "eight hundred twenty-five million, four hundred nineteen thousand, four hundred seventy-five".