1625612363 has 4 divisors (see below), whose sum is σ = 1652261808. Its totient is φ = 1598962920.

The previous prime is 1625612327. The next prime is 1625612389. The reversal of 1625612363 is 3632165261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1625612363 - 2⁶ = 1625612299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1625612563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13324631 + ... + 13324752.

It is an arithmetic number, because the mean of its divisors is an integer number (413065452).

Almost surely, 2^1625612363 is an apocalyptic number.

1625612363 is a deficient number, since it is larger than the sum of its proper divisors (26649445).

1625612363 is an equidigital number, since it uses as much as digits as its factorization.

1625612363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26649444.

The product of its digits is 38880, while the sum is 35.

The square root of 1625612363 is about 40318.8834542823. The cubic root of 1625612363 is about 1175.8150043255.

The spelling of 1625612363 in words is "one billion, six hundred twenty-five million, six hundred twelve thousand, three hundred sixty-three".