4252045129 has 2 divisors, whose sum is σ = 4252045130. Its totient is φ = 4252045128.

The previous prime is 4252045123. The next prime is 4252045177. The reversal of 4252045129 is 9215402524.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4137062400 + 114982729 = 64320^2 + 10723^2 .

It is a cyclic number.

It is not a de Polignac number, because 4252045129 - 2⁷ = 4252045001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4252045094 and 4252045103.

It is not a weakly prime, because it can be changed into another prime (4252045123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126022564 + 2126022565.

It is an arithmetic number, because the mean of its divisors is an integer number (2126022565).

Almost surely, 2^4252045129 is an apocalyptic number.

It is an amenable number.

4252045129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4252045129 is an equidigital number, since it uses as much as digits as its factorization.

4252045129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 4252045129 is about 65207.7075889039. The cubic root of 4252045129 is about 1620.0656795248.

The spelling of 4252045129 in words is "four billion, two hundred fifty-two million, forty-five thousand, one hundred twenty-nine".