7242526 has 4 divisors (see below), whose sum is σ = 10863792. Its totient is φ = 3621262.

The previous prime is 7242523. The next prime is 7242551. The reversal of 7242526 is 6252427.

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

It is a junction number, because it is equal to n+sod(n) for n = 7242494 and 7242503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810630 + ... + 1810633.

It is an arithmetic number, because the mean of its divisors is an integer number (2715948).

Almost surely, 2^7242526 is an apocalyptic number.

7242526 is a deficient number, since it is larger than the sum of its proper divisors (3621266).

7242526 is a wasteful number, since it uses less digits than its factorization.

7242526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621265.

The product of its digits is 6720, while the sum is 28.

The square root of 7242526 is about 2691.1941587333. The cubic root of 7242526 is about 193.4773012744.

Subtracting from 7242526 its reverse (6252427), we obtain a palindrome (990099).

The spelling of 7242526 in words is "seven million, two hundred forty-two thousand, five hundred twenty-six".