5122025261 has 2 divisors, whose sum is σ = 5122025262. Its totient is φ = 5122025260.

The previous prime is 5122025257. The next prime is 5122025323. The reversal of 5122025261 is 1625202215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3806149636 + 1315875625 = 61694^2 + 36275^2 .

It is a cyclic number.

It is not a de Polignac number, because 5122025261 - 2² = 5122025257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5122025261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5122075261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561012630 + 2561012631.

It is an arithmetic number, because the mean of its divisors is an integer number (2561012631).

Almost surely, 2^5122025261 is an apocalyptic number.

It is an amenable number.

5122025261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5122025261 is an equidigital number, since it uses as much as digits as its factorization.

5122025261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5122025261 is about 71568.3258222518. The cubic root of 5122025261 is about 1723.7749768884.

Adding to 5122025261 its reverse (1625202215), we get a palindrome (6747227476).

The spelling of 5122025261 in words is "five billion, one hundred twenty-two million, twenty-five thousand, two hundred sixty-one".