3525644605 has 32 divisors (see below), whose sum is σ = 5052985344. Its totient is φ = 2311073856.

The previous prime is 3525644561. The next prime is 3525644623. The reversal of 3525644605 is 5064465253.

It is a happy number.

It is not a de Polignac number, because 3525644605 - 2¹¹ = 3525642557 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 31 ways as a sum of consecutive naturals, for example, 45814 + ... + 95656.

It is an arithmetic number, because the mean of its divisors is an integer number (157905792).

Almost surely, 2^3525644605 is an apocalyptic number.

3525644605 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3525644605 is a deficient number, since it is larger than the sum of its proper divisors (1527340739).

3525644605 is a wasteful number, since it uses less digits than its factorization.

3525644605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49945.

The product of its (nonzero) digits is 432000, while the sum is 40.

The square root of 3525644605 is about 59377.1387404277. The cubic root of 3525644605 is about 1521.9936623516.

The spelling of 3525644605 in words is "three billion, five hundred twenty-five million, six hundred forty-four thousand, six hundred five".