242252352231553 has 2 divisors, whose sum is σ = 242252352231554. Its totient is φ = 242252352231552.

The previous prime is 242252352231529. The next prime is 242252352231661. The reversal of 242252352231553 is 355132253252242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208599440192784 + 33652912038769 = 14442972^2 + 5801113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242252352231553 is a prime.

It is not a weakly prime, because it can be changed into another prime (242252352201553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121126176115776 + 121126176115777.

It is an arithmetic number, because the mean of its divisors is an integer number (121126176115777).

Almost surely, 2^{242252352231553} is an apocalyptic number.

It is an amenable number.

242252352231553 is a deficient number, since it is larger than the sum of its proper divisors (1).

242252352231553 is an equidigital number, since it uses as much as digits as its factorization.

242252352231553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320000, while the sum is 46.

The spelling of 242252352231553 in words is "two hundred forty-two trillion, two hundred fifty-two billion, three hundred fifty-two million, two hundred thirty-one thousand, five hundred fifty-three".