3525010638 has 16 divisors (see below), whose sum is σ = 7050950400. Its totient is φ = 1174848696.

The previous prime is 3525010543. The next prime is 3525010661. The reversal of 3525010638 is 8360105253.

3525010638 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3525010599 and 3525010608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16713 + ... + 85611.

It is an arithmetic number, because the mean of its divisors is an integer number (440684400).

Almost surely, 2^3525010638 is an apocalyptic number.

3525010638 is an abundant number, since it is smaller than the sum of its proper divisors (3525939762).

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

3525010638 is a wasteful number, since it uses less digits than its factorization.

3525010638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77431.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 3525010638 is about 59371.8000232434. The cubic root of 3525010638 is about 1521.9024306569.

The spelling of 3525010638 in words is "three billion, five hundred twenty-five million, ten thousand, six hundred thirty-eight".