3525253121 has 4 divisors (see below), whose sum is σ = 3796426452. Its totient is φ = 3254079792.

The previous prime is 3525253111. The next prime is 3525253129. The reversal of 3525253121 is 1213525253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1213525253 = 14071 ⋅86243.

It can be written as a sum of positive squares in 2 ways, for example, as 2038071025 + 1487182096 = 45145^2 + 38564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3525253121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3525253129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135586646 + ... + 135586671.

It is an arithmetic number, because the mean of its divisors is an integer number (949106613).

Almost surely, 2^3525253121 is an apocalyptic number.

It is an amenable number.

3525253121 is a deficient number, since it is larger than the sum of its proper divisors (271173331).

3525253121 is a wasteful number, since it uses less digits than its factorization.

3525253121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271173330.

The product of its digits is 9000, while the sum is 29.

The square root of 3525253121 is about 59373.8420602878. The cubic root of 3525253121 is about 1521.9373267223.

Adding to 3525253121 its reverse (1213525253), we get a palindrome (4738778374).

The spelling of 3525253121 in words is "three billion, five hundred twenty-five million, two hundred fifty-three thousand, one hundred twenty-one".