7201515253 has 2 divisors, whose sum is σ = 7201515254. Its totient is φ = 7201515252.

The previous prime is 7201515227. The next prime is 7201515271. The reversal of 7201515253 is 3525151027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6068721604 + 1132793649 = 77902^2 + 33657^2 .

It is a cyclic number.

It is not a de Polignac number, because 7201515253 - 2⁵ = 7201515221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7201515283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3600757626 + 3600757627.

It is an arithmetic number, because the mean of its divisors is an integer number (3600757627).

Almost surely, 2^7201515253 is an apocalyptic number.

It is an amenable number.

7201515253 is a deficient number, since it is larger than the sum of its proper divisors (1).

7201515253 is an equidigital number, since it uses as much as digits as its factorization.

7201515253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 7201515253 is about 84861.7419865984. The cubic root of 7201515253 is about 1931.1142190326.

The spelling of 7201515253 in words is "seven billion, two hundred one million, five hundred fifteen thousand, two hundred fifty-three".