4013525129 has 2 divisors, whose sum is σ = 4013525130. Its totient is φ = 4013525128.

The previous prime is 4013525123. The next prime is 4013525141. The reversal of 4013525129 is 9215253104.

4013525129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3816768400 + 196756729 = 61780^2 + 14027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4013525129 is a prime.

It is a super-2 number, since 2×4013525129² = 32216767922228933282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4013525095 and 4013525104.

It is not a weakly prime, because it can be changed into another prime (4013525123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006762564 + 2006762565.

It is an arithmetic number, because the mean of its divisors is an integer number (2006762565).

Almost surely, 2^4013525129 is an apocalyptic number.

It is an amenable number.

4013525129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4013525129 is an equidigital number, since it uses as much as digits as its factorization.

4013525129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 4013525129 is about 63352.3885027234. The cubic root of 4013525129 is about 1589.1881895405.

The spelling of 4013525129 in words is "four billion, thirteen million, five hundred twenty-five thousand, one hundred twenty-nine".