825373493 has 12 divisors (see below), whose sum is σ = 975871692. Its totient is φ = 695862720.

The previous prime is 825373489. The next prime is 825373537. The reversal of 825373493 is 394373528.

It can be written as a sum of positive squares in 2 ways, for example, as 10099684 + 815273809 = 3178^2 + 28553^2 .

It is not a de Polignac number, because 825373493 - 2² = 825373489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825373463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135080 + ... + 141057.

It is an arithmetic number, because the mean of its divisors is an integer number (81322641).

Almost surely, 2^825373493 is an apocalyptic number.

It is an amenable number.

825373493 is a deficient number, since it is larger than the sum of its proper divisors (150498199).

825373493 is a wasteful number, since it uses less digits than its factorization.

825373493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276212 (or 276205 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 825373493 is about 28729.3141755942. The cubic root of 825373493 is about 938.0302396132.

The spelling of 825373493 in words is "eight hundred twenty-five million, three hundred seventy-three thousand, four hundred ninety-three".