7545612563 has 2 divisors, whose sum is σ = 7545612564. Its totient is φ = 7545612562.

The previous prime is 7545612541. The next prime is 7545612583. The reversal of 7545612563 is 3652165457.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3652165457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7545612563 - 2⁸ = 7545612307 is a prime.

It is not a weakly prime, because it can be changed into another prime (7545612583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3772806281 + 3772806282.

It is an arithmetic number, because the mean of its divisors is an integer number (3772806282).

Almost surely, 2^7545612563 is an apocalyptic number.

7545612563 is a deficient number, since it is larger than the sum of its proper divisors (1).

7545612563 is an equidigital number, since it uses as much as digits as its factorization.

7545612563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 44.

The square root of 7545612563 is about 86865.4854530843. The cubic root of 7545612563 is about 1961.3939621238.

The spelling of 7545612563 in words is "seven billion, five hundred forty-five million, six hundred twelve thousand, five hundred sixty-three".