652251445 has 8 divisors (see below), whose sum is σ = 783256536. Its totient is φ = 521431296.

The previous prime is 652251421. The next prime is 652251451. The reversal of 652251445 is 544152256.

It can be written as a sum of positive squares in 4 ways, for example, as 240932484 + 411318961 = 15522^2 + 20281^2 .

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 652251445 - 2⁹ = 652250933 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 652251445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38352 + ... + 52681.

It is an arithmetic number, because the mean of its divisors is an integer number (97907067).

Almost surely, 2^652251445 is an apocalyptic number.

It is an amenable number.

652251445 is a deficient number, since it is larger than the sum of its proper divisors (131005091).

652251445 is a wasteful number, since it uses less digits than its factorization.

652251445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92471.

The product of its digits is 48000, while the sum is 34.

The square root of 652251445 is about 25539.2138680892. The cubic root of 652251445 is about 867.2381013646.

The spelling of 652251445 in words is "six hundred fifty-two million, two hundred fifty-one thousand, four hundred forty-five".