51230265 has 16 divisors (see below), whose sum is σ = 86790528. Its totient is φ = 25715456.

The previous prime is 51230261. The next prime is 51230273. The reversal of 51230265 is 56203215.

It is a cyclic number.

It is not a de Polignac number, because 51230265 - 2² = 51230261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51230261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100197 + ... + 100706.

It is an arithmetic number, because the mean of its divisors is an integer number (5424408).

Almost surely, 2^51230265 is an apocalyptic number.

It is an amenable number.

51230265 is a deficient number, since it is larger than the sum of its proper divisors (35560263).

51230265 is a wasteful number, since it uses less digits than its factorization.

51230265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200928.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 51230265 is about 7157.5320467323. The cubic root of 51230265 is about 371.4002577389.

The spelling of 51230265 in words is "fifty-one million, two hundred thirty thousand, two hundred sixty-five".