51424413 has 8 divisors (see below), whose sum is σ = 70419168. Its totient is φ = 33356304.

The previous prime is 51424411. The next prime is 51424421. The reversal of 51424413 is 31442415.

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

It is not a de Polignac number, because 51424413 - 2¹ = 51424411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51424411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231531 + ... + 231752.

It is an arithmetic number, because the mean of its divisors is an integer number (8802396).

Almost surely, 2^51424413 is an apocalyptic number.

It is an amenable number.

51424413 is a deficient number, since it is larger than the sum of its proper divisors (18994755).

51424413 is a wasteful number, since it uses less digits than its factorization.

51424413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463323.

The product of its digits is 1920, while the sum is 24.

The square root of 51424413 is about 7171.0817175653. The cubic root of 51424413 is about 371.8688331063.

Adding to 51424413 its reverse (31442415), we get a palindrome (82866828).

The spelling of 51424413 in words is "fifty-one million, four hundred twenty-four thousand, four hundred thirteen".