825604002 has 40 divisors (see below), whose sum is σ = 1884889116. Its totient is φ = 270006048.

The previous prime is 825603991. The next prime is 825604037. The reversal of 825604002 is 200406528.

825604002 is a `hidden beast` number, since 8 + 256 + 0 + 400 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 686387601 + 139216401 = 26199^2 + 11799^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39493 + ... + 56664.

Almost surely, 2^825604002 is an apocalyptic number.

825604002 is an abundant number, since it is smaller than the sum of its proper divisors (1059285114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825604002 is a wasteful number, since it uses less digits than its factorization.

825604002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96224 (or 96215 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 825604002 is about 28733.3256341830. The cubic root of 825604002 is about 938.1175553511.

The spelling of 825604002 in words is "eight hundred twenty-five million, six hundred four thousand, two".