1625396835 has 16 divisors (see below), whose sum is σ = 2601298944. Its totient is φ = 866656992.

The previous prime is 1625396831. The next prime is 1625396837. The reversal of 1625396835 is 5386935261.

It is not a de Polignac number, because 1625396835 - 2² = 1625396831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1625396831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59374 + ... + 82316.

It is an arithmetic number, because the mean of its divisors is an integer number (162581184).

Almost surely, 2^1625396835 is an apocalyptic number.

1625396835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1625396835 is a deficient number, since it is larger than the sum of its proper divisors (975902109).

1625396835 is a wasteful number, since it uses less digits than its factorization.

1625396835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27674.

The product of its digits is 1166400, while the sum is 48.

The square root of 1625396835 is about 40316.2105734158. The cubic root of 1625396835 is about 1175.7630378045.

The spelling of 1625396835 in words is "one billion, six hundred twenty-five million, three hundred ninety-six thousand, eight hundred thirty-five".