7545612541 has 2 divisors, whose sum is σ = 7545612542. Its totient is φ = 7545612540.

The previous prime is 7545612539. The next prime is 7545612563. The reversal of 7545612541 is 1452165457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5070152025 + 2475460516 = 71205^2 + 49754^2 .

It is a cyclic number.

It is not a de Polignac number, because 7545612541 - 2¹ = 7545612539 is a prime.

Together with 7545612539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 7545612494 and 7545612503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7545612511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3772806270 + 3772806271.

It is an arithmetic number, because the mean of its divisors is an integer number (3772806271).

Almost surely, 2^7545612541 is an apocalyptic number.

It is an amenable number.

7545612541 is a deficient number, since it is larger than the sum of its proper divisors (1).

7545612541 is an equidigital number, since it uses as much as digits as its factorization.

7545612541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 40.

The square root of 7545612541 is about 86865.4853264517. The cubic root of 7545612541 is about 1961.3939602176.

Adding to 7545612541 its reverse (1452165457), we get a palindrome (8997777998).

The spelling of 7545612541 in words is "seven billion, five hundred forty-five million, six hundred twelve thousand, five hundred forty-one".