1625622113 has 8 divisors (see below), whose sum is σ = 1696919040. Its totient is φ = 1555503840.

The previous prime is 1625622101. The next prime is 1625622149. The reversal of 1625622113 is 3112265261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1625622113 - 2⁶ = 1625622049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1625622613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291845 + ... + 297362.

It is an arithmetic number, because the mean of its divisors is an integer number (212114880).

Almost surely, 2^1625622113 is an apocalyptic number.

It is an amenable number.

1625622113 is a deficient number, since it is larger than the sum of its proper divisors (71296927).

1625622113 is an equidigital number, since it uses as much as digits as its factorization.

1625622113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589327.

The product of its digits is 4320, while the sum is 29.

The square root of 1625622113 is about 40319.0043651874. The cubic root of 1625622113 is about 1175.8173550650.

Adding to 1625622113 its reverse (3112265261), we get a palindrome (4737887374).

The spelling of 1625622113 in words is "one billion, six hundred twenty-five million, six hundred twenty-two thousand, one hundred thirteen".