7442520503 has 4 divisors (see below), whose sum is σ = 8119113288. Its totient is φ = 6765927720.

The previous prime is 7442520487. The next prime is 7442520509. The reversal of 7442520503 is 3050252447.

7442520503 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3050252447 = 11 ⋅277295677.

It is a cyclic number.

It is not a de Polignac number, because 7442520503 - 2⁴ = 7442520487 is a prime.

It is a super-2 number, since 2×7442520503² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7442520503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7442520509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338296376 + ... + 338296397.

It is an arithmetic number, because the mean of its divisors is an integer number (2029778322).

Almost surely, 2^7442520503 is an apocalyptic number.

7442520503 is a deficient number, since it is larger than the sum of its proper divisors (676592785).

7442520503 is a wasteful number, since it uses less digits than its factorization.

7442520503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676592784.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 7442520503 is about 86270.0440651331. The cubic root of 7442520503 is about 1952.4204441204.

The spelling of 7442520503 in words is "seven billion, four hundred forty-two million, five hundred twenty thousand, five hundred three".