7522101 has 6 divisors (see below), whose sum is σ = 10865270. Its totient is φ = 5014728.

The previous prime is 7522091. The next prime is 7522103. The reversal of 7522101 is 1012257.

It can be written as a sum of positive squares in only one way, i.e., 6765201 + 756900 = 2601^2 + 870^2 .

It is not a de Polignac number, because 7522101 - 2⁵ = 7522069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7522103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 417886 + ... + 417903.

Almost surely, 2^7522101 is an apocalyptic number.

It is an amenable number.

7522101 is a deficient number, since it is larger than the sum of its proper divisors (3343169).

7522101 is a wasteful number, since it uses less digits than its factorization.

7522101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835795 (or 835792 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 7522101 is about 2742.6448913412. The cubic root of 7522101 is about 195.9354657039.

Adding to 7522101 its reverse (1012257), we get a palindrome (8534358).

The spelling of 7522101 in words is "seven million, five hundred twenty-two thousand, one hundred one".