3540212125 has 16 divisors (see below), whose sum is σ = 4444667136. Its totient is φ = 2815194000.

The previous prime is 3540212113. The next prime is 3540212131. The reversal of 3540212125 is 5212120453.

3540212125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3540212125 - 2¹¹ = 3540210077 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3540212125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63921 + ... + 105670.

It is an arithmetic number, because the mean of its divisors is an integer number (277791696).

Almost surely, 2^3540212125 is an apocalyptic number.

It is an amenable number.

3540212125 is a deficient number, since it is larger than the sum of its proper divisors (904455011).

3540212125 is a wasteful number, since it uses less digits than its factorization.

3540212125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169773 (or 169763 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3540212125 is about 59499.6817218378. The cubic root of 3540212125 is about 1524.0870106275.

Adding to 3540212125 its reverse (5212120453), we get a palindrome (8752332578).

The spelling of 3540212125 in words is "three billion, five hundred forty million, two hundred twelve thousand, one hundred twenty-five".