7405052525 has 24 divisors (see below), whose sum is σ = 10470282984. Its totient is φ = 5146675200.

The previous prime is 7405052509. The next prime is 7405052563. The reversal of 7405052525 is 5252505047.

7405052525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 2996358121 + 4408694404 = 54739^2 + 66398^2 .

It is not a de Polignac number, because 7405052525 - 2⁴ = 7405052509 is a prime.

It is a super-3 number, since 3×7405052525³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 664616 + ... + 675665.

It is an arithmetic number, because the mean of its divisors is an integer number (436261791).

Almost surely, 2^7405052525 is an apocalyptic number.

It is an amenable number.

7405052525 is a deficient number, since it is larger than the sum of its proper divisors (3065230459).

7405052525 is a wasteful number, since it uses less digits than its factorization.

7405052525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340321 (or 1340316 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 7405052525 is about 86052.6148643956. The cubic root of 7405052525 is about 1949.1385653765.

The spelling of 7405052525 in words is "seven billion, four hundred five million, fifty-two thousand, five hundred twenty-five".