51825337 has 4 divisors (see below), whose sum is σ = 51945460. Its totient is φ = 51705216.

The previous prime is 51825317. The next prime is 51825341. The reversal of 51825337 is 73352815.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73352815 = 5 ⋅14670563.

It can be written as a sum of positive squares in 2 ways, for example, as 3606201 + 48219136 = 1899^2 + 6944^2 .

It is a cyclic number.

It is not a de Polignac number, because 51825337 - 2⁷ = 51825209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51825307) 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, 59412 + ... + 60277.

It is an arithmetic number, because the mean of its divisors is an integer number (12986365).

Almost surely, 2^51825337 is an apocalyptic number.

It is an amenable number.

51825337 is a deficient number, since it is larger than the sum of its proper divisors (120123).

51825337 is a wasteful number, since it uses less digits than its factorization.

51825337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120122.

The product of its digits is 25200, while the sum is 34.

The square root of 51825337 is about 7198.9816640967. The cubic root of 51825337 is about 372.8327420365.

The spelling of 51825337 in words is "fifty-one million, eight hundred twenty-five thousand, three hundred thirty-seven".