3781137525 has 24 divisors (see below), whose sum is σ = 6819798624. Its totient is φ = 1833278400.

The previous prime is 3781137523. The next prime is 3781137553. The reversal of 3781137525 is 5257311873.

It is a happy number.

3781137525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3781137525 - 2¹ = 3781137523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781137523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2290774 + ... + 2292423.

It is an arithmetic number, because the mean of its divisors is an integer number (284158276).

Almost surely, 2^3781137525 is an apocalyptic number.

It is an amenable number.

3781137525 is a deficient number, since it is larger than the sum of its proper divisors (3038661099).

3781137525 is a wasteful number, since it uses less digits than its factorization.

3781137525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583221 (or 4583216 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 3781137525 is about 61490.9548226404. The cubic root of 3781137525 is about 1557.9044739272.

The spelling of 3781137525 in words is "three billion, seven hundred eighty-one million, one hundred thirty-seven thousand, five hundred twenty-five".