1625520674 has 8 divisors (see below), whose sum is σ = 2461069008. Its totient is φ = 805164340.

The previous prime is 1625520649. The next prime is 1625520697. The reversal of 1625520674 is 4760255261.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3797732 + ... + 3798159.

It is an arithmetic number, because the mean of its divisors is an integer number (307633626).

Almost surely, 2^1625520674 is an apocalyptic number.

1625520674 is a deficient number, since it is larger than the sum of its proper divisors (835548334).

1625520674 is a wasteful number, since it uses less digits than its factorization.

1625520674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7596000.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 1625520674 is about 40317.7463903924. The cubic root of 1625520674 is about 1175.7928975118.

The spelling of 1625520674 in words is "one billion, six hundred twenty-five million, five hundred twenty thousand, six hundred seventy-four".