1625000947 has 8 divisors (see below), whose sum is σ = 1721380896. Its totient is φ = 1528708992.

The previous prime is 1625000933. The next prime is 1625000957. The reversal of 1625000947 is 7490005261.

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

It is a cyclic number.

It is not a de Polignac number, because 1625000947 - 2²⁷ = 1490783219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1625000957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18138 + ... + 59824.

It is an arithmetic number, because the mean of its divisors is an integer number (215172612).

Almost surely, 2^1625000947 is an apocalyptic number.

1625000947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1625000947 is a deficient number, since it is larger than the sum of its proper divisors (96379949).

1625000947 is a wasteful number, since it uses less digits than its factorization.

1625000947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43997.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1625000947 is about 40311.3004875804. The cubic root of 1625000947 is about 1175.6675722413.

The spelling of 1625000947 in words is "one billion, six hundred twenty-five million, nine hundred forty-seven", and thus it is an aban number.