1455534497 has 2 divisors, whose sum is σ = 1455534498. Its totient is φ = 1455534496.

The previous prime is 1455534491. The next prime is 1455534523. The reversal of 1455534497 is 7944355541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1439140096 + 16394401 = 37936^2 + 4049^2 .

It is a cyclic number.

It is not a de Polignac number, because 1455534497 - 2¹⁰ = 1455533473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1455534491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727767248 + 727767249.

It is an arithmetic number, because the mean of its divisors is an integer number (727767249).

Almost surely, 2^1455534497 is an apocalyptic number.

It is an amenable number.

1455534497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455534497 is an equidigital number, since it uses as much as digits as its factorization.

1455534497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 47.

The square root of 1455534497 is about 38151.4678223525. The cubic root of 1455534497 is about 1133.2894198575.

The spelling of 1455534497 in words is "one billion, four hundred fifty-five million, five hundred thirty-four thousand, four hundred ninety-seven".