825190293 has 8 divisors (see below), whose sum is σ = 1100517088. Its totient is φ = 549995184.

The previous prime is 825190283. The next prime is 825190307. The reversal of 825190293 is 392091528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 825190293 - 2⁶ = 825190229 is a prime.

It is a super-2 number, since 2×825190293² = 1361878039322851698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825190213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17230 + ... + 44127.

It is an arithmetic number, because the mean of its divisors is an integer number (137564636).

Almost surely, 2^825190293 is an apocalyptic number.

It is an amenable number.

825190293 is a deficient number, since it is larger than the sum of its proper divisors (275326795).

825190293 is a wasteful number, since it uses less digits than its factorization.

825190293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65843.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 825190293 is about 28726.1256176325. The cubic root of 825190293 is about 937.9608327094.

The spelling of 825190293 in words is "eight hundred twenty-five million, one hundred ninety thousand, two hundred ninety-three".