825530454 has 40 divisors (see below), whose sum is σ = 2114059728. Its totient is φ = 235865520.

The previous prime is 825530413. The next prime is 825530471. The reversal of 825530454 is 454035528.

825530454 is a `hidden beast` number, since 82 + 5 + 530 + 45 + 4 = 666.

It is a super-2 number, since 2×825530454² = 1363001060962892232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 362857 + ... + 365124.

Almost surely, 2^825530454 is an apocalyptic number.

825530454 is an abundant number, since it is smaller than the sum of its proper divisors (1288529274).

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

825530454 is a wasteful number, since it uses less digits than its factorization.

825530454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728002 (or 727993 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 825530454 is about 28732.0457677486. The cubic root of 825530454 is about 938.0896974762.

The spelling of 825530454 in words is "eight hundred twenty-five million, five hundred thirty thousand, four hundred fifty-four".