652948013 has 4 divisors (see below), whose sum is σ = 658726428. Its totient is φ = 647169600.

The previous prime is 652948007. The next prime is 652948027. The reversal of 652948013 is 310849256.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45670564 + 607277449 = 6758^2 + 24643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652948013 is a prime.

It is a super-2 number, since 2×652948013² = 852682215361296338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652948033) 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, 2889038 + ... + 2889263.

It is an arithmetic number, because the mean of its divisors is an integer number (164681607).

Almost surely, 2^652948013 is an apocalyptic number.

It is an amenable number.

652948013 is a deficient number, since it is larger than the sum of its proper divisors (5778415).

652948013 is a wasteful number, since it uses less digits than its factorization.

652948013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778414.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 652948013 is about 25552.8474538553. The cubic root of 652948013 is about 867.5467120990.

The spelling of 652948013 in words is "six hundred fifty-two million, nine hundred forty-eight thousand, thirteen".