3501204525 has 144 divisors (see below), whose sum is σ = 7757253504. Its totient is φ = 1469975040.

The previous prime is 3501204493. The next prime is 3501204563. The reversal of 3501204525 is 5254021053.

It is a happy number.

It is not a de Polignac number, because 3501204525 - 2⁵ = 3501204493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6285547 + ... + 6286103.

It is an arithmetic number, because the mean of its divisors is an integer number (53869816).

Almost surely, 2^3501204525 is an apocalyptic number.

3501204525 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3501204525 is an abundant number, since it is smaller than the sum of its proper divisors (4256048979).

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

3501204525 is a wasteful number, since it uses less digits than its factorization.

3501204525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 3501204525 is about 59170.9770495637. The cubic root of 3501204525 is about 1518.4686396435.

Adding to 3501204525 its reverse (5254021053), we get a palindrome (8755225578).

The spelling of 3501204525 in words is "three billion, five hundred one million, two hundred four thousand, five hundred twenty-five".