925506409 has 4 divisors (see below), whose sum is σ = 937221760. Its totient is φ = 913791060.

The previous prime is 925506403. The next prime is 925506427. The reversal of 925506409 is 904605529.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 925506409 - 2¹⁷ = 925375337 is a prime.

It is a super-2 number, since 2×925506409² = 1713124226200150562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (925506403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5857557 + ... + 5857714.

It is an arithmetic number, because the mean of its divisors is an integer number (234305440).

Almost surely, 2^925506409 is an apocalyptic number.

It is an amenable number.

925506409 is a deficient number, since it is larger than the sum of its proper divisors (11715351).

925506409 is a wasteful number, since it uses less digits than its factorization.

925506409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11715350.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 925506409 is about 30422.1368250161. The cubic root of 925506409 is about 974.5253561756.

The spelling of 925506409 in words is "nine hundred twenty-five million, five hundred six thousand, four hundred nine".