650023417 has 4 divisors (see below), whose sum is σ = 650105856. Its totient is φ = 649940980.

The previous prime is 650023411. The next prime is 650023433. The reversal of 650023417 is 714320056.

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 a de Polignac number, because none of the positive numbers 2^k-650023417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650023411) 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, 27973 + ... + 45634.

It is an arithmetic number, because the mean of its divisors is an integer number (162526464).

Almost surely, 2^650023417 is an apocalyptic number.

It is an amenable number.

650023417 is a deficient number, since it is larger than the sum of its proper divisors (82439).

650023417 is an equidigital number, since it uses as much as digits as its factorization.

650023417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82438.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 650023417 is about 25495.5568089814. The cubic root of 650023417 is about 866.2495076371.

The spelling of 650023417 in words is "six hundred fifty million, twenty-three thousand, four hundred seventeen".