242573797 has 2 divisors, whose sum is σ = 242573798. Its totient is φ = 242573796.

The previous prime is 242573717. The next prime is 242573809. The reversal of 242573797 is 797375242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234273636 + 8300161 = 15306^2 + 2881^2 .

It is a cyclic number.

It is not a de Polignac number, because 242573797 - 2¹⁵ = 242541029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242573717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121286898 + 121286899.

It is an arithmetic number, because the mean of its divisors is an integer number (121286899).

Almost surely, 2^242573797 is an apocalyptic number.

It is an amenable number.

242573797 is a deficient number, since it is larger than the sum of its proper divisors (1).

242573797 is an equidigital number, since it uses as much as digits as its factorization.

242573797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740880, while the sum is 46.

The square root of 242573797 is about 15574.7808010257. The cubic root of 242573797 is about 623.6601029743.

The spelling of 242573797 in words is "two hundred forty-two million, five hundred seventy-three thousand, seven hundred ninety-seven".