652731801157 has 2 divisors, whose sum is σ = 652731801158. Its totient is φ = 652731801156.

The previous prime is 652731801091. The next prime is 652731801193. The reversal of 652731801157 is 751108137256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362462998401 + 290268802756 = 602049^2 + 538766^2 .

It is a cyclic number.

It is not a de Polignac number, because 652731801157 - 2¹⁵ = 652731768389 is a prime.

It is a super-2 number, since 2×652731801157² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652731801257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326365900578 + 326365900579.

It is an arithmetic number, because the mean of its divisors is an integer number (326365900579).

Almost surely, 2^652731801157 is an apocalyptic number.

It is an amenable number.

652731801157 is a deficient number, since it is larger than the sum of its proper divisors (1).

652731801157 is an equidigital number, since it uses as much as digits as its factorization.

652731801157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 46.

The spelling of 652731801157 in words is "six hundred fifty-two billion, seven hundred thirty-one million, eight hundred one thousand, one hundred fifty-seven".