1625711345 has 8 divisors (see below), whose sum is σ = 2053530240. Its totient is φ = 1232118000.

The previous prime is 1625711317. The next prime is 1625711357. The reversal of 1625711345 is 5431175261.

It is a happy number.

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

It is not a de Polignac number, because 1625711345 - 2⁸ = 1625711089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8556281 + ... + 8556470.

It is an arithmetic number, because the mean of its divisors is an integer number (256691280).

Almost surely, 2^1625711345 is an apocalyptic number.

It is an amenable number.

1625711345 is a deficient number, since it is larger than the sum of its proper divisors (427818895).

1625711345 is a wasteful number, since it uses less digits than its factorization.

1625711345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17112775.

The product of its digits is 25200, while the sum is 35.

The square root of 1625711345 is about 40320.1109249466. The cubic root of 1625711345 is about 1175.8388685958.

The spelling of 1625711345 in words is "one billion, six hundred twenty-five million, seven hundred eleven thousand, three hundred forty-five".