242013501 has 10 divisors (see below), whose sum is σ = 361526462. Its totient is φ = 161342280.

The previous prime is 242013493. The next prime is 242013509. The reversal of 242013501 is 105310242.

It is an interprime number because it is at equal distance from previous prime (242013493) and next prime (242013509).

It can be written as a sum of positive squares in only one way, i.e., 133957476 + 108056025 = 11574^2 + 10395^2 .

It is not a de Polignac number, because 242013501 - 2³ = 242013493 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 (242013509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1493830 + ... + 1493991.

Almost surely, 2^242013501 is an apocalyptic number.

It is an amenable number.

242013501 is a deficient number, since it is larger than the sum of its proper divisors (119512961).

242013501 is an equidigital number, since it uses as much as digits as its factorization.

242013501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987833 (or 2987824 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 242013501 is about 15556.7831186271. The cubic root of 242013501 is about 623.1795569140.

Adding to 242013501 its reverse (105310242), we get a palindrome (347323743).

The spelling of 242013501 in words is "two hundred forty-two million, thirteen thousand, five hundred one".