242350521 has 24 divisors (see below), whose sum is σ = 398005920. Its totient is φ = 130338432.

The previous prime is 242350513. The next prime is 242350543. The reversal of 242350521 is 125053242.

It is not a de Polignac number, because 242350521 - 2³ = 242350513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242350491 and 242350500.

It is not an unprimeable number, because it can be changed into a prime (242350561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45991 + ... + 50988.

It is an arithmetic number, because the mean of its divisors is an integer number (16583580).

Almost surely, 2^242350521 is an apocalyptic number.

242350521 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

242350521 is a deficient number, since it is larger than the sum of its proper divisors (155655399).

242350521 is a wasteful number, since it uses less digits than its factorization.

242350521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97013 (or 97006 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 242350521 is about 15567.6112811182. The cubic root of 242350521 is about 623.4686958228.

The spelling of 242350521 in words is "two hundred forty-two million, three hundred fifty thousand, five hundred twenty-one".