242513399 has 8 divisors (see below), whose sum is σ = 252541920. Its totient is φ = 232596000.

The previous prime is 242513377. The next prime is 242513413. The reversal of 242513399 is 993315242.

It is a happy number.

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 242513399 - 2¹² = 242509303 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 (242513599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23312 + ... + 32069.

It is an arithmetic number, because the mean of its divisors is an integer number (31567740).

Almost surely, 2^242513399 is an apocalyptic number.

242513399 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

242513399 is a deficient number, since it is larger than the sum of its proper divisors (10028521).

242513399 is a wasteful number, since it uses less digits than its factorization.

242513399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55561.

The product of its digits is 58320, while the sum is 38.

The square root of 242513399 is about 15572.8417124172. The cubic root of 242513399 is about 623.6083373534.

The spelling of 242513399 in words is "two hundred forty-two million, five hundred thirteen thousand, three hundred ninety-nine".