252155340301 has 4 divisors (see below), whose sum is σ = 252156381372. Its totient is φ = 252154299232.

The previous prime is 252155340271. The next prime is 252155340317. The reversal of 252155340301 is 103043551252.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 192203328100 + 59952012201 = 438410^2 + 244851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252155340301 is a prime.

It is a super-2 number, since 2×252155340301² (a number of 24 digits) 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 (252155340361) 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, 54591 + ... + 712243.

It is an arithmetic number, because the mean of its divisors is an integer number (63039095343).

Almost surely, 2^252155340301 is an apocalyptic number.

It is an amenable number.

252155340301 is a deficient number, since it is larger than the sum of its proper divisors (1041071).

252155340301 is an equidigital number, since it uses as much as digits as its factorization.

252155340301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041070.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 252155340301 its reverse (103043551252), we get a palindrome (355198891553).

The spelling of 252155340301 in words is "two hundred fifty-two billion, one hundred fifty-five million, three hundred forty thousand, three hundred one".