3525067638 has 12 divisors (see below), whose sum is σ = 7637646588. Its totient is φ = 1175022540.

The previous prime is 3525067597. The next prime is 3525067639. The reversal of 3525067638 is 8367605253.

3525067638 is a `hidden beast` number, since 3 + 5 + 2 + 5 + 0 + 6 + 7 + 638 = 666.

It is a super-2 number, since 2×3525067638² = 24852203704949798088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3525067593 and 3525067602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525067639) 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, 97918528 + ... + 97918563.

It is an arithmetic number, because the mean of its divisors is an integer number (636470549).

Almost surely, 2^3525067638 is an apocalyptic number.

3525067638 is an abundant number, since it is smaller than the sum of its proper divisors (4112578950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3525067638 is a wasteful number, since it uses less digits than its factorization.

3525067638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195837099 (or 195837096 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 3525067638 is about 59372.2800471735. The cubic root of 3525067638 is about 1521.9106337500.

The spelling of 3525067638 in words is "three billion, five hundred twenty-five million, sixty-seven thousand, six hundred thirty-eight".