7260220537 has 2 divisors, whose sum is σ = 7260220538. Its totient is φ = 7260220536.

The previous prime is 7260220453. The next prime is 7260220543. The reversal of 7260220537 is 7350220627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4315964416 + 2944256121 = 65696^2 + 54261^2 .

It is an emirp because it is prime and its reverse (7350220627) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7260220537 is a prime.

It is not a weakly prime, because it can be changed into another prime (7260220547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3630110268 + 3630110269.

It is an arithmetic number, because the mean of its divisors is an integer number (3630110269).

Almost surely, 2^7260220537 is an apocalyptic number.

It is an amenable number.

7260220537 is a deficient number, since it is larger than the sum of its proper divisors (1).

7260220537 is an equidigital number, since it uses as much as digits as its factorization.

7260220537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 7260220537 is about 85206.9277523841. The cubic root of 7260220537 is about 1936.3473746058.

It can be divided in two parts, 72602 and 20537, that added together give a palindrome (93139).

The spelling of 7260220537 in words is "seven billion, two hundred sixty million, two hundred twenty thousand, five hundred thirty-seven".