4025435261 has 2 divisors, whose sum is σ = 4025435262. Its totient is φ = 4025435260.

The previous prime is 4025435221. The next prime is 4025435279. The reversal of 4025435261 is 1625345204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3966606361 + 58828900 = 62981^2 + 7670^2 .

It is a cyclic number.

It is not a de Polignac number, because 4025435261 - 2¹⁴ = 4025418877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4025435221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2012717630 + 2012717631.

It is an arithmetic number, because the mean of its divisors is an integer number (2012717631).

Almost surely, 2^4025435261 is an apocalyptic number.

It is an amenable number.

4025435261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4025435261 is an equidigital number, since it uses as much as digits as its factorization.

4025435261 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 32.

The square root of 4025435261 is about 63446.3179467493. The cubic root of 4025435261 is about 1590.7586086376.

The spelling of 4025435261 in words is "four billion, twenty-five million, four hundred thirty-five thousand, two hundred sixty-one".