925317993 has 16 divisors (see below), whose sum is σ = 1343476800. Its totient is φ = 564258240.

The previous prime is 925317979. The next prime is 925318021. The reversal of 925317993 is 399713529.

It is not a de Polignac number, because 925317993 - 2⁸ = 925317737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (925317893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278238 + ... + 281543.

It is an arithmetic number, because the mean of its divisors is an integer number (83967300).

Almost surely, 2^925317993 is an apocalyptic number.

It is an amenable number.

925317993 is a deficient number, since it is larger than the sum of its proper divisors (418158807).

925317993 is a wasteful number, since it uses less digits than its factorization.

925317993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559832.

The product of its digits is 459270, while the sum is 48.

The square root of 925317993 is about 30419.0399749893. The cubic root of 925317993 is about 974.4592199034.

The spelling of 925317993 in words is "nine hundred twenty-five million, three hundred seventeen thousand, nine hundred ninety-three".