652437601 has 2 divisors, whose sum is σ = 652437602. Its totient is φ = 652437600.

The previous prime is 652437589. The next prime is 652437641. The reversal of 652437601 is 106734256.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 599074576 + 53363025 = 24476^2 + 7305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652437601 is a prime.

It is not a weakly prime, because it can be changed into another prime (652437641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326218800 + 326218801.

It is an arithmetic number, because the mean of its divisors is an integer number (326218801).

Almost surely, 2^652437601 is an apocalyptic number.

It is an amenable number.

652437601 is a deficient number, since it is larger than the sum of its proper divisors (1).

652437601 is an equidigital number, since it uses as much as digits as its factorization.

652437601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 652437601 is about 25542.8581212048. The cubic root of 652437601 is about 867.3205982917.

The spelling of 652437601 in words is "six hundred fifty-two million, four hundred thirty-seven thousand, six hundred one".