51025015 has 8 divisors (see below), whose sum is σ = 61268400. Its totient is φ = 40794432.

The previous prime is 51025003. The next prime is 51025021. The reversal of 51025015 is 51052015.

51025015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51025015 - 2²¹ = 48927863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51024983 and 51025001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13572 + ... + 16918.

It is an arithmetic number, because the mean of its divisors is an integer number (7658550).

Almost surely, 2^51025015 is an apocalyptic number.

51025015 is a deficient number, since it is larger than the sum of its proper divisors (10243385).

51025015 is a wasteful number, since it uses less digits than its factorization.

51025015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 51025015 is about 7143.1796141494. The cubic root of 51025015 is about 370.9035986311.

Subtracting 51025015 from its reverse (51052015), we obtain a cube (27000 = 30³).

The spelling of 51025015 in words is "fifty-one million, twenty-five thousand, fifteen".