1042520497 has 2 divisors, whose sum is σ = 1042520498. Its totient is φ = 1042520496.

The previous prime is 1042520417. The next prime is 1042520533. The reversal of 1042520497 is 7940252401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 824780961 + 217739536 = 28719^2 + 14756^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042520497 - 2¹⁵ = 1042487729 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042520417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521260248 + 521260249.

It is an arithmetic number, because the mean of its divisors is an integer number (521260249).

Almost surely, 2^1042520497 is an apocalyptic number.

It is an amenable number.

1042520497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042520497 is an equidigital number, since it uses as much as digits as its factorization.

1042520497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1042520497 is about 32288.0859915852. The cubic root of 1042520497 is about 1013.9772259447.

Adding to 1042520497 its reverse (7940252401), we get a palindrome (8982772898).

The spelling of 1042520497 in words is "one billion, forty-two million, five hundred twenty thousand, four hundred ninety-seven".