252855249061 has 2 divisors, whose sum is σ = 252855249062. Its totient is φ = 252855249060.

The previous prime is 252855248977. The next prime is 252855249067. The reversal of 252855249061 is 160942558252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240737422500 + 12117826561 = 490650^2 + 110081^2 .

It is a cyclic number.

It is not a de Polignac number, because 252855249061 - 2¹¹ = 252855247013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252855248996 and 252855249014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252855249067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126427624530 + 126427624531.

It is an arithmetic number, because the mean of its divisors is an integer number (126427624531).

Almost surely, 2^252855249061 is an apocalyptic number.

It is an amenable number.

252855249061 is a deficient number, since it is larger than the sum of its proper divisors (1).

252855249061 is an equidigital number, since it uses as much as digits as its factorization.

252855249061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 252855249061 in words is "two hundred fifty-two billion, eight hundred fifty-five million, two hundred forty-nine thousand, sixty-one".