4100420525 has 24 divisors (see below), whose sum is σ = 5188094280. Its totient is φ = 3213699840.

The previous prime is 4100420497. The next prime is 4100420543. The reversal of 4100420525 is 5250240014.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 503060041 + 3597360484 = 22429^2 + 59978^2 .

It is not a de Polignac number, because 4100420525 - 2¹⁰ = 4100419501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4100420525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1096559 + ... + 1100291.

It is an arithmetic number, because the mean of its divisors is an integer number (216170595).

Almost surely, 2^4100420525 is an apocalyptic number.

It is an amenable number.

4100420525 is a deficient number, since it is larger than the sum of its proper divisors (1087673755).

4100420525 is a wasteful number, since it uses less digits than its factorization.

4100420525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625 (or 4620 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 4100420525 is about 64034.5260386926. The cubic root of 4100420525 is about 1600.5753822524.

Adding to 4100420525 its reverse (5250240014), we get a palindrome (9350660539).

The spelling of 4100420525 in words is "four billion, one hundred million, four hundred twenty thousand, five hundred twenty-five".