1625056051 has 8 divisors (see below), whose sum is σ = 1651419504. Its totient is φ = 1598903040.

The previous prime is 1625056031. The next prime is 1625056063. The reversal of 1625056051 is 1506505261.

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 1625056051 - 2⁷ = 1625055923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1625056031) 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, 37005 + ... + 67966.

It is an arithmetic number, because the mean of its divisors is an integer number (206427438).

Almost surely, 2^1625056051 is an apocalyptic number.

1625056051 is a deficient number, since it is larger than the sum of its proper divisors (26363453).

1625056051 is a wasteful number, since it uses less digits than its factorization.

1625056051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105221.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1625056051 is about 40311.9839625886. The cubic root of 1625056051 is about 1175.6808611060.

The spelling of 1625056051 in words is "one billion, six hundred twenty-five million, fifty-six thousand, fifty-one".