7242571 has 4 divisors (see below), whose sum is σ = 8277232. Its totient is φ = 6207912.

The previous prime is 7242569. The next prime is 7242589. The reversal of 7242571 is 1752427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1752427 = 19 ⋅92233.

It is a cyclic number.

It is not a de Polignac number, because 7242571 - 2¹ = 7242569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7242511) 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, 517320 + ... + 517333.

It is an arithmetic number, because the mean of its divisors is an integer number (2069308).

Almost surely, 2^7242571 is an apocalyptic number.

7242571 is a deficient number, since it is larger than the sum of its proper divisors (1034661).

7242571 is a wasteful number, since it uses less digits than its factorization.

7242571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034660.

The product of its digits is 3920, while the sum is 28.

The square root of 7242571 is about 2691.2025193211. The cubic root of 7242571 is about 193.4777019845.

Adding to 7242571 its reverse (1752427), we get a palindrome (8994998).

The spelling of 7242571 in words is "seven million, two hundred forty-two thousand, five hundred seventy-one".