30876125 has 36 divisors (see below), whose sum is σ = 45464796. Its totient is φ = 20874000.

The previous prime is 30876073. The next prime is 30876137. The reversal of 30876125 is 52167803.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 988036 + 29888089 = 994^2 + 5467^2 .

It is not a de Polignac number, because 30876125 - 2⁸ = 30875869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30876091 and 30876100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 434840 + ... + 434910.

It is an arithmetic number, because the mean of its divisors is an integer number (1262911).

Almost surely, 2^30876125 is an apocalyptic number.

30876125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30876125 is a deficient number, since it is larger than the sum of its proper divisors (14588671).

30876125 is an frugal number, since it uses more digits than its factorization.

30876125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 30876125 is about 5556.6289240870. The cubic root of 30876125 is about 313.7190781312.

The spelling of 30876125 in words is "thirty million, eight hundred seventy-six thousand, one hundred twenty-five".