3765545425 has 6 divisors (see below), whose sum is σ = 4669276358. Its totient is φ = 3012436320.

The previous prime is 3765545363. The next prime is 3765545429. The reversal of 3765545425 is 5245455673.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 426670336 + 3338875089 = 20656^2 + 57783^2 .

It is not a de Polignac number, because 3765545425 - 2¹¹ = 3765543377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3765545429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75310884 + ... + 75310933.

Almost surely, 2^3765545425 is an apocalyptic number.

It is an amenable number.

3765545425 is a deficient number, since it is larger than the sum of its proper divisors (903730933).

3765545425 is a wasteful number, since it uses less digits than its factorization.

3765545425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150621827 (or 150621822 counting only the distinct ones).

The product of its digits is 2520000, while the sum is 46.

The square root of 3765545425 is about 61364.0401619711. The cubic root of 3765545425 is about 1555.7601043988.

The spelling of 3765545425 in words is "three billion, seven hundred sixty-five million, five hundred forty-five thousand, four hundred twenty-five".