252530275477 has 2 divisors, whose sum is σ = 252530275478. Its totient is φ = 252530275476.

The previous prime is 252530275259. The next prime is 252530275519. The reversal of 252530275477 is 774572035252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251082168561 + 1448106916 = 501081^2 + 38054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252530275477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252530275477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252530275177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126265137738 + 126265137739.

It is an arithmetic number, because the mean of its divisors is an integer number (126265137739).

Almost surely, 2^252530275477 is an apocalyptic number.

It is an amenable number.

252530275477 is a deficient number, since it is larger than the sum of its proper divisors (1).

252530275477 is an equidigital number, since it uses as much as digits as its factorization.

252530275477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4116000, while the sum is 49.

The spelling of 252530275477 in words is "two hundred fifty-two billion, five hundred thirty million, two hundred seventy-five thousand, four hundred seventy-seven".