242698541 has 4 divisors (see below), whose sum is σ = 242752800. Its totient is φ = 242644284.

The previous prime is 242698529. The next prime is 242698549. The reversal of 242698541 is 145896242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145896242 = 2 ⋅72948121.

It is a cyclic number.

It is not a de Polignac number, because 242698541 - 2²⁶ = 175589677 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 (242698549) 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, 19751 + ... + 29588.

It is an arithmetic number, because the mean of its divisors is an integer number (60688200).

Almost surely, 2^242698541 is an apocalyptic number.

It is an amenable number.

242698541 is a deficient number, since it is larger than the sum of its proper divisors (54259).

242698541 is an equidigital number, since it uses as much as digits as its factorization.

242698541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54258.

The product of its digits is 138240, while the sum is 41.

The square root of 242698541 is about 15578.7849654586. The cubic root of 242698541 is about 623.7669907541.

The spelling of 242698541 in words is "two hundred forty-two million, six hundred ninety-eight thousand, five hundred forty-one".