51045325 has 12 divisors (see below), whose sum is σ = 64370880. Its totient is φ = 40142960.

The previous prime is 51045301. The next prime is 51045353. The reversal of 51045325 is 52354015.

It is not a de Polignac number, because 51045325 - 2⁹ = 51044813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 51045325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15829 + ... + 18778.

It is an arithmetic number, because the mean of its divisors is an integer number (5364240).

Almost surely, 2^51045325 is an apocalyptic number.

It is an amenable number.

51045325 is a deficient number, since it is larger than the sum of its proper divisors (13325555).

51045325 is a wasteful number, since it uses less digits than its factorization.

51045325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34676 (or 34671 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 51045325 is about 7144.6011085294. The cubic root of 51045325 is about 370.9528035999.

The spelling of 51045325 in words is "fifty-one million, forty-five thousand, three hundred twenty-five".