242251379 has 4 divisors (see below), whose sum is σ = 247885176. Its totient is φ = 236617584.

The previous prime is 242251363. The next prime is 242251397. The reversal of 242251379 is 973152242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242251379 - 2⁴ = 242251363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242251319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2816834 + ... + 2816919.

It is an arithmetic number, because the mean of its divisors is an integer number (61971294).

Almost surely, 2^242251379 is an apocalyptic number.

242251379 is a deficient number, since it is larger than the sum of its proper divisors (5633797).

242251379 is an equidigital number, since it uses as much as digits as its factorization.

242251379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5633796.

The product of its digits is 30240, while the sum is 35.

The square root of 242251379 is about 15564.4267160728. The cubic root of 242251379 is about 623.3836669648.

The spelling of 242251379 in words is "two hundred forty-two million, two hundred fifty-one thousand, three hundred seventy-nine".