4030421525 has 24 divisors (see below), whose sum is σ = 5396987904. Its totient is φ = 2968113600.

The previous prime is 4030421513. The next prime is 4030421533. The reversal of 4030421525 is 5251240304.

It is a happy number.

4030421525 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 4030421525 - 2²⁴ = 4013644309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4030421494 and 4030421503.

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, 102380 + ... + 136170.

It is an arithmetic number, because the mean of its divisors is an integer number (224874496).

Almost surely, 2^4030421525 is an apocalyptic number.

It is an amenable number.

4030421525 is a deficient number, since it is larger than the sum of its proper divisors (1366566379).

4030421525 is a wasteful number, since it uses less digits than its factorization.

4030421525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34181 (or 34176 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4030421525 is about 63485.6009265093. The cubic root of 4030421525 is about 1591.4151562364.

Adding to 4030421525 its reverse (5251240304), we get a palindrome (9281661829).

The spelling of 4030421525 in words is "four billion, thirty million, four hundred twenty-one thousand, five hundred twenty-five".