1495321073 has 2 divisors, whose sum is σ = 1495321074. Its totient is φ = 1495321072.

The previous prime is 1495321043. The next prime is 1495321081. The reversal of 1495321073 is 3701235941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 896882704 + 598438369 = 29948^2 + 24463^2 .

It is a cyclic number.

It is not a de Polignac number, because 1495321073 - 2¹⁶ = 1495255537 is a prime.

It is a super-2 number, since 2×1495321073² = 4471970222715742658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1495321043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747660536 + 747660537.

It is an arithmetic number, because the mean of its divisors is an integer number (747660537).

Almost surely, 2^1495321073 is an apocalyptic number.

It is an amenable number.

1495321073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1495321073 is an equidigital number, since it uses as much as digits as its factorization.

1495321073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 1495321073 is about 38669.3815957794. The cubic root of 1495321073 is about 1143.5227729875.

The spelling of 1495321073 in words is "one billion, four hundred ninety-five million, three hundred twenty-one thousand, seventy-three".