652495937 has 4 divisors (see below), whose sum is σ = 654851796. Its totient is φ = 650140080.

The previous prime is 652495933. The next prime is 652495939. The reversal of 652495937 is 739594256.

It is a happy number.

It is a Cunningham number, because it is equal to 25544²+1.

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 112444816 + 540051121 = 10604^2 + 23239^2 .

It is a cyclic number.

It is not a de Polignac number, because 652495937 - 2² = 652495933 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652495931) 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, 1177514 + ... + 1178067.

It is an arithmetic number, because the mean of its divisors is an integer number (163712949).

Almost surely, 2^652495937 is an apocalyptic number.

It is an amenable number.

652495937 is a deficient number, since it is larger than the sum of its proper divisors (2355859).

652495937 is a wasteful number, since it uses less digits than its factorization.

652495937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355858.

The product of its digits is 2041200, while the sum is 50.

The square root of 652495937 is about 25544.0000195741. Note that the first 4 decimals coincide. The cubic root of 652495937 is about 867.3464472548.

The spelling of 652495937 in words is "six hundred fifty-two million, four hundred ninety-five thousand, nine hundred thirty-seven".