15242541 has 8 divisors (see below), whose sum is σ = 21393120. Its totient is φ = 9626832.

The previous prime is 15242533. The next prime is 15242543. The reversal of 15242541 is 14524251.

15242541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15242541 - 2³ = 15242533 is a prime.

It is a super-2 number, since 2×15242541² = 464670112273362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15242543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133650 + ... + 133763.

It is an arithmetic number, because the mean of its divisors is an integer number (2674140).

Almost surely, 2^15242541 is an apocalyptic number.

It is an amenable number.

15242541 is a deficient number, since it is larger than the sum of its proper divisors (6150579).

15242541 is a wasteful number, since it uses less digits than its factorization.

15242541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267435.

The product of its digits is 1600, while the sum is 24.

The square root of 15242541 is about 3904.1696940579. The cubic root of 15242541 is about 247.9433457562.

Adding to 15242541 its reverse (14524251), we get a palindrome (29766792).

It can be divided in two parts, 15 and 242541, that added together give a triangular number (242556 = T₆₉₆).

The spelling of 15242541 in words is "fifteen million, two hundred forty-two thousand, five hundred forty-one".