4097506261 has 2 divisors, whose sum is σ = 4097506262. Its totient is φ = 4097506260.

The previous prime is 4097506247. The next prime is 4097506289. The reversal of 4097506261 is 1626057904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2810060100 + 1287446161 = 53010^2 + 35881^2 .

It is a cyclic number.

It is not a de Polignac number, because 4097506261 - 2⁵ = 4097506229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4097506241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048753130 + 2048753131.

It is an arithmetic number, because the mean of its divisors is an integer number (2048753131).

Almost surely, 2^4097506261 is an apocalyptic number.

It is an amenable number.

4097506261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4097506261 is an equidigital number, since it uses as much as digits as its factorization.

4097506261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 4097506261 is about 64011.7665824026. The cubic root of 4097506261 is about 1600.1961036980.

The spelling of 4097506261 in words is "four billion, ninety-seven million, five hundred six thousand, two hundred sixty-one".