252777502547 has 2 divisors, whose sum is σ = 252777502548. Its totient is φ = 252777502546.

The previous prime is 252777502493. The next prime is 252777502561. The reversal of 252777502547 is 745205777252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252777502547 - 2¹² = 252777498451 is a prime.

It is not a weakly prime, because it can be changed into another prime (252777802547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126388751273 + 126388751274.

It is an arithmetic number, because the mean of its divisors is an integer number (126388751274).

Almost surely, 2^252777502547 is an apocalyptic number.

252777502547 is a deficient number, since it is larger than the sum of its proper divisors (1).

252777502547 is an equidigital number, since it uses as much as digits as its factorization.

252777502547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9604000, while the sum is 53.

The spelling of 252777502547 in words is "two hundred fifty-two billion, seven hundred seventy-seven million, five hundred two thousand, five hundred forty-seven".