51325097 has 4 divisors (see below), whose sum is σ = 51359700. Its totient is φ = 51290496.

The previous prime is 51325093. The next prime is 51325111. The reversal of 51325097 is 79052315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1819801 + 49505296 = 1349^2 + 7036^2 .

It is a cyclic number.

It is not a de Polignac number, because 51325097 - 2² = 51325093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51325093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14972 + ... + 18077.

It is an arithmetic number, because the mean of its divisors is an integer number (12839925).

Almost surely, 2^51325097 is an apocalyptic number.

It is an amenable number.

51325097 is a deficient number, since it is larger than the sum of its proper divisors (34603).

51325097 is a wasteful number, since it uses less digits than its factorization.

51325097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34602.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 51325097 is about 7164.1536136518. The cubic root of 51325097 is about 371.6292819907.

The spelling of 51325097 in words is "fifty-one million, three hundred twenty-five thousand, ninety-seven".