51470405 has 32 divisors (see below), whose sum is σ = 73322496. Its totient is φ = 33954624.

The previous prime is 51470401. The next prime is 51470423. The reversal of 51470405 is 50407415.

It is a cyclic number.

It is not a de Polignac number, because 51470405 - 2² = 51470401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51470401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109982 + ... + 110448.

It is an arithmetic number, because the mean of its divisors is an integer number (2291328).

Almost surely, 2^51470405 is an apocalyptic number.

It is an amenable number.

51470405 is a deficient number, since it is larger than the sum of its proper divisors (21852091).

51470405 is a wasteful number, since it uses less digits than its factorization.

51470405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 51470405 is about 7174.2877695281. The cubic root of 51470405 is about 371.9796617585.

The spelling of 51470405 in words is "fifty-one million, four hundred seventy thousand, four hundred five".