7545261457 has 2 divisors, whose sum is σ = 7545261458. Its totient is φ = 7545261456.

The previous prime is 7545261407. The next prime is 7545261583. The reversal of 7545261457 is 7541625457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7364385856 + 180875601 = 85816^2 + 13449^2 .

It is a cyclic number.

It is not a de Polignac number, because 7545261457 - 2¹⁹ = 7544737169 is a prime.

It is not a weakly prime, because it can be changed into another prime (7545261407) 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, 3772630728 + 3772630729.

It is an arithmetic number, because the mean of its divisors is an integer number (3772630729).

Almost surely, 2^7545261457 is an apocalyptic number.

It is an amenable number.

7545261457 is a deficient number, since it is larger than the sum of its proper divisors (1).

7545261457 is an equidigital number, since it uses as much as digits as its factorization.

7545261457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176000, while the sum is 46.

The square root of 7545261457 is about 86863.4644542802. The cubic root of 7545261457 is about 1961.3635396823.

The spelling of 7545261457 in words is "seven billion, five hundred forty-five million, two hundred sixty-one thousand, four hundred fifty-seven".