1625460073 has 2 divisors, whose sum is σ = 1625460074. Its totient is φ = 1625460072.

The previous prime is 1625459989. The next prime is 1625460077. The reversal of 1625460073 is 3700645261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1249410409 + 376049664 = 35347^2 + 19392^2 .

It is a cyclic number.

It is not a de Polignac number, because 1625460073 - 2¹⁷ = 1625329001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1625460077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812730036 + 812730037.

It is an arithmetic number, because the mean of its divisors is an integer number (812730037).

Almost surely, 2^1625460073 is an apocalyptic number.

It is an amenable number.

1625460073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625460073 is an equidigital number, since it uses as much as digits as its factorization.

1625460073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 1625460073 is about 40316.9948408856. The cubic root of 1625460073 is about 1175.7782857606.

The spelling of 1625460073 in words is "one billion, six hundred twenty-five million, four hundred sixty thousand, seventy-three".