925109393 has 8 divisors (see below), whose sum is σ = 997218600. Its totient is φ = 853135488.

The previous prime is 925109389. The next prime is 925109431. The reversal of 925109393 is 393901529.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11135569 + 913973824 = 3337^2 + 30232^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 925109393 - 2² = 925109389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 925109393.

It is not an unprimeable number, because it can be changed into a prime (925109323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19388 + ... + 47181.

It is an arithmetic number, because the mean of its divisors is an integer number (124652325).

Almost surely, 2^925109393 is an apocalyptic number.

It is an amenable number.

925109393 is a deficient number, since it is larger than the sum of its proper divisors (72109207).

925109393 is a wasteful number, since it uses less digits than its factorization.

925109393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67651.

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 925109393 is about 30415.6110081649. The cubic root of 925109393 is about 974.3859883327.

The spelling of 925109393 in words is "nine hundred twenty-five million, one hundred nine thousand, three hundred ninety-three".