4102420525 has 24 divisors (see below), whose sum is σ = 5871302784. Its totient is φ = 2785224000.

The previous prime is 4102420463. The next prime is 4102420529. The reversal of 4102420525 is 5250242014.

It is not a de Polignac number, because 4102420525 - 2¹¹ = 4102418477 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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 4102420525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102420529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98377 + ... + 133726.

It is an arithmetic number, because the mean of its divisors is an integer number (244637616).

Almost surely, 2^4102420525 is an apocalyptic number.

It is an amenable number.

4102420525 is a deficient number, since it is larger than the sum of its proper divisors (1768882259).

4102420525 is a wasteful number, since it uses less digits than its factorization.

4102420525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232221 (or 232216 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 4102420525 is about 64050.1407102280. The cubic root of 4102420525 is about 1600.8355694233.

Adding to 4102420525 its reverse (5250242014), we get a palindrome (9352662539).

The spelling of 4102420525 in words is "four billion, one hundred two million, four hundred twenty thousand, five hundred twenty-five".