51470371 has 4 divisors (see below), whose sum is σ = 51489432. Its totient is φ = 51451312.

The previous prime is 51470369. The next prime is 51470383. The reversal of 51470371 is 17307415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51470371 - 2¹ = 51470369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51470351) 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, 4645 + ... + 11158.

It is an arithmetic number, because the mean of its divisors is an integer number (12872358).

Almost surely, 2^51470371 is an apocalyptic number.

51470371 is a deficient number, since it is larger than the sum of its proper divisors (19061).

51470371 is a wasteful number, since it uses less digits than its factorization.

51470371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19060.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 51470371 is about 7174.2853999545. The cubic root of 51470371 is about 371.9795798519.

Adding to 51470371 its reverse (17307415), we get a palindrome (68777786).

The spelling of 51470371 in words is "fifty-one million, four hundred seventy thousand, three hundred seventy-one".