1496603561 has 2 divisors, whose sum is σ = 1496603562. Its totient is φ = 1496603560.

The previous prime is 1496603539. The next prime is 1496603567. The reversal of 1496603561 is 1653066941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1257127936 + 239475625 = 35456^2 + 15475^2 .

It is a cyclic number.

It is not a de Polignac number, because 1496603561 - 2⁶ = 1496603497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1496603567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748301780 + 748301781.

It is an arithmetic number, because the mean of its divisors is an integer number (748301781).

Almost surely, 2^1496603561 is an apocalyptic number.

It is an amenable number.

1496603561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1496603561 is an equidigital number, since it uses as much as digits as its factorization.

1496603561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 1496603561 is about 38685.9607739035. The cubic root of 1496603561 is about 1143.8496002686.

The spelling of 1496603561 in words is "one billion, four hundred ninety-six million, six hundred three thousand, five hundred sixty-one".