3540451525 has 36 divisors (see below), whose sum is σ = 4942601188. Its totient is φ = 2500692480.

The previous prime is 3540451511. The next prime is 3540451531. The reversal of 3540451525 is 5251540453.

It can be written as a sum of positive squares in 6 ways, for example, as 2819041 + 3537632484 = 1679^2 + 59478^2 .

It is not a de Polignac number, because 3540451525 - 2⁵ = 3540451493 is a prime.

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 35 ways as a sum of consecutive naturals, for example, 161629 + ... + 182221.

Almost surely, 2^3540451525 is an apocalyptic number.

It is an amenable number.

3540451525 is a deficient number, since it is larger than the sum of its proper divisors (1402149663).

3540451525 is a wasteful number, since it uses less digits than its factorization.

3540451525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20662 (or 20634 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 3540451525 is about 59501.6934632956. The cubic root of 3540451525 is about 1524.1213643322.

Adding to 3540451525 its reverse (5251540453), we get a palindrome (8791991978).

The spelling of 3540451525 in words is "three billion, five hundred forty million, four hundred fifty-one thousand, five hundred twenty-five".