4031402525 has 24 divisors (see below), whose sum is σ = 5436069480. Its totient is φ = 2953359360.

The previous prime is 4031402509. The next prime is 4031402561. The reversal of 4031402525 is 5252041304.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 5373124 + 4026029401 = 2318^2 + 63451^2 .

It is not a de Polignac number, because 4031402525 - 2⁴ = 4031402509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4031402494 and 4031402503.

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, 112460 + ... + 143909.

It is an arithmetic number, because the mean of its divisors is an integer number (226502895).

Almost surely, 2^4031402525 is an apocalyptic number.

It is an amenable number.

4031402525 is a deficient number, since it is larger than the sum of its proper divisors (1404666955).

4031402525 is a wasteful number, since it uses less digits than its factorization.

4031402525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256433 (or 256428 counting only the distinct ones).

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

The square root of 4031402525 is about 63493.3266178423. The cubic root of 4031402525 is about 1591.5442619732.

Adding to 4031402525 its reverse (5252041304), we get a palindrome (9283443829).

The spelling of 4031402525 in words is "four billion, thirty-one million, four hundred two thousand, five hundred twenty-five".