3531005125 has 32 divisors (see below), whose sum is σ = 4657086720. Its totient is φ = 2665483200.

The previous prime is 3531005117. The next prime is 3531005131. The reversal of 3531005125 is 5215001353.

It is not a de Polignac number, because 3531005125 - 2³ = 3531005117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 3531005125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 621799 + ... + 627451.

It is an arithmetic number, because the mean of its divisors is an integer number (145533960).

Almost surely, 2^3531005125 is an apocalyptic number.

It is an amenable number.

3531005125 is a deficient number, since it is larger than the sum of its proper divisors (1126081595).

3531005125 is a wasteful number, since it uses less digits than its factorization.

3531005125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5950 (or 5940 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 3531005125 is about 59422.2611905673. The cubic root of 3531005125 is about 1522.7646368307.

Adding to 3531005125 its reverse (5215001353), we get a palindrome (8746006478).

The spelling of 3531005125 in words is "three billion, five hundred thirty-one million, five thousand, one hundred twenty-five".