7545355457 has 2 divisors, whose sum is σ = 7545355458. Its totient is φ = 7545355456.

The previous prime is 7545355421. The next prime is 7545355483. The reversal of 7545355457 is 7545535457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7545354496 + 961 = 86864^2 + 31^2 .

It is a cyclic number.

It is not a de Polignac number, because 7545355457 - 2¹⁴ = 7545339073 is a prime.

It is not a weakly prime, because it can be changed into another prime (7545355057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3772677728 + 3772677729.

It is an arithmetic number, because the mean of its divisors is an integer number (3772677729).

Almost surely, 2^7545355457 is an apocalyptic number.

It is an amenable number.

7545355457 is a deficient number, since it is larger than the sum of its proper divisors (1).

7545355457 is an equidigital number, since it uses as much as digits as its factorization.

7545355457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7350000, while the sum is 50.

The square root of 7545355457 is about 86864.0055316355. The cubic root of 7545355457 is about 1961.3716846357.

The spelling of 7545355457 in words is "seven billion, five hundred forty-five million, three hundred fifty-five thousand, four hundred fifty-seven".