652424645 has 6 divisors (see below), whose sum is σ = 782978118. Its totient is φ = 521894024.

The previous prime is 652424621. The next prime is 652424651. The reversal of 652424645 is 546424256.

It can be written as a sum of positive squares in only one way, i.e., 521939716 + 130484929 = 22846^2 + 11423^2 .

It is not a de Polignac number, because 652424645 - 2¹⁰ = 652423621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652424599 and 652424608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51404 + ... + 62826.

It is an arithmetic number, because the mean of its divisors is an integer number (130496353).

Almost surely, 2^652424645 is an apocalyptic number.

It is an amenable number.

652424645 is a deficient number, since it is larger than the sum of its proper divisors (130553473).

652424645 is an frugal number, since it uses more digits than its factorization.

652424645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22851 (or 11428 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

The square root of 652424645 is about 25542.6045069801. The cubic root of 652424645 is about 867.3148572164.

The spelling of 652424645 in words is "six hundred fifty-two million, four hundred twenty-four thousand, six hundred forty-five".