51033265 has 8 divisors (see below), whose sum is σ = 61395048. Its totient is φ = 40723200.

The previous prime is 51033247. The next prime is 51033313. The reversal of 51033265 is 56233015.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19088161 + 31945104 = 4369^2 + 5652^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51033265 - 2⁷ = 51033137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10722 + ... + 14731.

It is an arithmetic number, because the mean of its divisors is an integer number (7674381).

Almost surely, 2^51033265 is an apocalyptic number.

It is an amenable number.

51033265 is a deficient number, since it is larger than the sum of its proper divisors (10361783).

51033265 is a wasteful number, since it uses less digits than its factorization.

51033265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25859.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 51033265 is about 7143.7570647384. The cubic root of 51033265 is about 370.9235874528.

The spelling of 51033265 in words is "fifty-one million, thirty-three thousand, two hundred sixty-five".