7525533445 has 4 divisors (see below), whose sum is σ = 9030640140. Its totient is φ = 6020426752.

The previous prime is 7525533413. The next prime is 7525533469. The reversal of 7525533445 is 5443355257.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3150240129 + 4375293316 = 56127^2 + 66146^2 .

It is a cyclic number.

It is not a de Polignac number, because 7525533445 - 2⁵ = 7525533413 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 752553340 + ... + 752553349.

It is an arithmetic number, because the mean of its divisors is an integer number (2257660035).

Almost surely, 2^7525533445 is an apocalyptic number.

It is an amenable number.

7525533445 is a deficient number, since it is larger than the sum of its proper divisors (1505106695).

7525533445 is a wasteful number, since it uses less digits than its factorization.

7525533445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505106694.

The product of its digits is 1260000, while the sum is 43.

The square root of 7525533445 is about 86749.8325358614. The cubic root of 7525533445 is about 1959.6526391403.

The spelling of 7525533445 in words is "seven billion, five hundred twenty-five million, five hundred thirty-three thousand, four hundred forty-five".