7255660501 has 2 divisors, whose sum is σ = 7255660502. Its totient is φ = 7255660500.

The previous prime is 7255660493. The next prime is 7255660519. The reversal of 7255660501 is 1050665527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4086533476 + 3169127025 = 63926^2 + 56295^2 .

It is an emirp because it is prime and its reverse (1050665527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7255660501 - 2³ = 7255660493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7255660541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3627830250 + 3627830251.

It is an arithmetic number, because the mean of its divisors is an integer number (3627830251).

Almost surely, 2^7255660501 is an apocalyptic number.

It is an amenable number.

7255660501 is a deficient number, since it is larger than the sum of its proper divisors (1).

7255660501 is an equidigital number, since it uses as much as digits as its factorization.

7255660501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 7255660501 is about 85180.1649505329. The cubic root of 7255660501 is about 1935.9418927539.

The spelling of 7255660501 in words is "seven billion, two hundred fifty-five million, six hundred sixty thousand, five hundred one".