1625396834 has 8 divisors (see below), whose sum is σ = 2444529360. Its totient is φ = 810553716.

The previous prime is 1625396831. The next prime is 1625396837. The reversal of 1625396834 is 4386935261.

It is an interprime number because it is at equal distance from previous prime (1625396831) and next prime (1625396837).

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

It is not an unprimeable number, because it can be changed into a prime (1625396831) 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, 1071404 + ... + 1072919.

It is an arithmetic number, because the mean of its divisors is an integer number (305566170).

Almost surely, 2^1625396834 is an apocalyptic number.

1625396834 is a deficient number, since it is larger than the sum of its proper divisors (819132526).

1625396834 is a wasteful number, since it uses less digits than its factorization.

1625396834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144704.

The product of its digits is 933120, while the sum is 47.

The square root of 1625396834 is about 40316.2105610138. The cubic root of 1625396834 is about 1175.7630375634.

The spelling of 1625396834 in words is "one billion, six hundred twenty-five million, three hundred ninety-six thousand, eight hundred thirty-four".