252667427447 has 2 divisors, whose sum is σ = 252667427448. Its totient is φ = 252667427446.

The previous prime is 252667427423. The next prime is 252667427531. The reversal of 252667427447 is 744724766252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252667427447 - 2²² = 252663233143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252667427392 and 252667427401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252667424447) 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, 126333713723 + 126333713724.

It is an arithmetic number, because the mean of its divisors is an integer number (126333713724).

Almost surely, 2^252667427447 is an apocalyptic number.

252667427447 is a deficient number, since it is larger than the sum of its proper divisors (1).

252667427447 is an equidigital number, since it uses as much as digits as its factorization.

252667427447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31610880, while the sum is 56.

The spelling of 252667427447 in words is "two hundred fifty-two billion, six hundred sixty-seven million, four hundred twenty-seven thousand, four hundred forty-seven".