1625881034 has 16 divisors (see below), whose sum is σ = 2569041600. Its totient is φ = 769595904.

The previous prime is 1625881009. The next prime is 1625881057. The reversal of 1625881034 is 4301885261.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 40202 + ... + 69770.

It is an arithmetic number, because the mean of its divisors is an integer number (160565100).

Almost surely, 2^1625881034 is an apocalyptic number.

1625881034 is a deficient number, since it is larger than the sum of its proper divisors (943160566).

1625881034 is a wasteful number, since it uses less digits than its factorization.

1625881034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31037.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 1625881034 is about 40322.2151425241. The cubic root of 1625881034 is about 1175.8797778632.

The spelling of 1625881034 in words is "one billion, six hundred twenty-five million, eight hundred eighty-one thousand, thirty-four".