51465275 has 6 divisors (see below), whose sum is σ = 63816972. Its totient is φ = 41172200.

The previous prime is 51465269. The next prime is 51465277. The reversal of 51465275 is 57256415.

It is not a de Polignac number, because 51465275 - 2⁴ = 51465259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51465277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1029281 + ... + 1029330.

It is an arithmetic number, because the mean of its divisors is an integer number (10636162).

Almost surely, 2^51465275 is an apocalyptic number.

51465275 is a deficient number, since it is larger than the sum of its proper divisors (12351697).

51465275 is a wasteful number, since it uses less digits than its factorization.

51465275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058621 (or 2058616 counting only the distinct ones).

The product of its digits is 42000, while the sum is 35.

The square root of 51465275 is about 7173.9302338397. The cubic root of 51465275 is about 371.9673030768.

The spelling of 51465275 in words is "fifty-one million, four hundred sixty-five thousand, two hundred seventy-five".