7288654537 has 2 divisors, whose sum is σ = 7288654538. Its totient is φ = 7288654536.

The previous prime is 7288654493. The next prime is 7288654547. The reversal of 7288654537 is 7354568827.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5718989376 + 1569665161 = 75624^2 + 39619^2 .

It is an emirp because it is prime and its reverse (7354568827) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7288654537 is a prime.

It is not a weakly prime, because it can be changed into another prime (7288654547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3644327268 + 3644327269.

It is an arithmetic number, because the mean of its divisors is an integer number (3644327269).

Almost surely, 2^7288654537 is an apocalyptic number.

It is an amenable number.

7288654537 is a deficient number, since it is larger than the sum of its proper divisors (1).

7288654537 is an equidigital number, since it uses as much as digits as its factorization.

7288654537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11289600, while the sum is 55.

The square root of 7288654537 is about 85373.6173358023. The cubic root of 7288654537 is about 1938.8719251229.

It can be divided in two parts, 7288 and 654537, that added together give a triangular number (661825 = T₁₁₅₀).

The spelling of 7288654537 in words is "seven billion, two hundred eighty-eight million, six hundred fifty-four thousand, five hundred thirty-seven".