7538225885 has 4 divisors (see below), whose sum is σ = 9045871068. Its totient is φ = 6030580704.

The previous prime is 7538225869. The next prime is 7538225909. The reversal of 7538225885 is 5885228357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5885228357 = 1571 ⋅3746167.

It can be written as a sum of positive squares in 2 ways, for example, as 2926593604 + 4611632281 = 54098^2 + 67909^2 .

It is a cyclic number.

It is not a de Polignac number, because 7538225885 - 2⁴ = 7538225869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753822584 + ... + 753822593.

It is an arithmetic number, because the mean of its divisors is an integer number (2261467767).

Almost surely, 2^7538225885 is an apocalyptic number.

It is an amenable number.

7538225885 is a deficient number, since it is larger than the sum of its proper divisors (1507645183).

7538225885 is a wasteful number, since it uses less digits than its factorization.

7538225885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507645182.

The product of its digits is 5376000, while the sum is 53.

The square root of 7538225885 is about 86822.9571311643. The cubic root of 7538225885 is about 1960.7537262360.

The spelling of 7538225885 in words is "seven billion, five hundred thirty-eight million, two hundred twenty-five thousand, eight hundred eighty-five".