7945537 has 2 divisors, whose sum is σ = 7945538. Its totient is φ = 7945536.

The previous prime is 7945519. The next prime is 7945541. The reversal of 7945537 is 7355497.

7945537 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7403841 + 541696 = 2721^2 + 736^2 .

It is an emirp because it is prime and its reverse (7355497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7945537 - 2¹¹ = 7943489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7945537.

It is not a weakly prime, because it can be changed into another prime (7945547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3972768 + 3972769.

It is an arithmetic number, because the mean of its divisors is an integer number (3972769).

Almost surely, 2^7945537 is an apocalyptic number.

It is an amenable number.

7945537 is a deficient number, since it is larger than the sum of its proper divisors (1).

7945537 is an equidigital number, since it uses as much as digits as its factorization.

7945537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 40.

The square root of 7945537 is about 2818.7828933779. The cubic root of 7945537 is about 199.5451078166.

Subtracting from 7945537 its sum of digits (40), we obtain a palindrome (7945497).

The spelling of 7945537 in words is "seven million, nine hundred forty-five thousand, five hundred thirty-seven".