1652385217 has 16 divisors (see below), whose sum is σ = 1991142400. Its totient is φ = 1339552080.

The previous prime is 1652385197. The next prime is 1652385221. The reversal of 1652385217 is 7125832561.

It is a cyclic number.

It is not a de Polignac number, because 1652385217 - 2⁷ = 1652385089 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 1652385217.

It is not an unprimeable number, because it can be changed into a prime (1652385247) 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, 72292 + ... + 92362.

It is an arithmetic number, because the mean of its divisors is an integer number (124446400).

Almost surely, 2^1652385217 is an apocalyptic number.

It is an amenable number.

1652385217 is a deficient number, since it is larger than the sum of its proper divisors (338757183).

1652385217 is a wasteful number, since it uses less digits than its factorization.

1652385217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20716.

The product of its digits is 100800, while the sum is 40.

The square root of 1652385217 is about 40649.5414119274. The cubic root of 1652385217 is about 1182.2348761612.

The spelling of 1652385217 in words is "one billion, six hundred fifty-two million, three hundred eighty-five thousand, two hundred seventeen".