242025305621 has 8 divisors (see below), whose sum is σ = 268355928288. Its totient is φ = 216416070000.

The previous prime is 242025305617. The next prime is 242025305629. The reversal of 242025305621 is 126503520242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242025305621 - 2² = 242025305617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242025305629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180346055 + ... + 180347396.

It is an arithmetic number, because the mean of its divisors is an integer number (33544491036).

Almost surely, 2^242025305621 is an apocalyptic number.

It is an amenable number.

242025305621 is a deficient number, since it is larger than the sum of its proper divisors (26330622667).

242025305621 is a wasteful number, since it uses less digits than its factorization.

242025305621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360693523.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 242025305621 its reverse (126503520242), we get a palindrome (368528825863).

The spelling of 242025305621 in words is "two hundred forty-two billion, twenty-five million, three hundred five thousand, six hundred twenty-one".