1625380063 has 4 divisors (see below), whose sum is σ = 1626018280. Its totient is φ = 1624741848.

The previous prime is 1625380027. The next prime is 1625380069. The reversal of 1625380063 is 3600835261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3600835261 = 97 ⋅37122013.

It is a cyclic number.

It is not a de Polignac number, because 1625380063 - 2²¹ = 1623282911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625380069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315273 + ... + 320386.

It is an arithmetic number, because the mean of its divisors is an integer number (406504570).

Almost surely, 2^1625380063 is an apocalyptic number.

1625380063 is a deficient number, since it is larger than the sum of its proper divisors (638217).

1625380063 is an equidigital number, since it uses as much as digits as its factorization.

1625380063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638216.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1625380063 is about 40316.0025672189. The cubic root of 1625380063 is about 1175.7589936710.

The spelling of 1625380063 in words is "one billion, six hundred twenty-five million, three hundred eighty thousand, sixty-three".