51174413 has 4 divisors (see below), whose sum is σ = 51189180. Its totient is φ = 51159648.

The previous prime is 51174407. The next prime is 51174419. The reversal of 51174413 is 31447115.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (51174407) and next prime (51174419).

It can be written as a sum of positive squares in 2 ways, for example, as 29626249 + 21548164 = 5443^2 + 4642^2 .

It is a cyclic number.

It is not a de Polignac number, because 51174413 - 2⁸ = 51174157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51174419) 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, 953 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (12797295).

Almost surely, 2^51174413 is an apocalyptic number.

It is an amenable number.

51174413 is a deficient number, since it is larger than the sum of its proper divisors (14767).

51174413 is an equidigital number, since it uses as much as digits as its factorization.

51174413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14766.

The product of its digits is 1680, while the sum is 26.

The square root of 51174413 is about 7153.6293585844. The cubic root of 51174413 is about 371.2652399583.

The spelling of 51174413 in words is "fifty-one million, one hundred seventy-four thousand, four hundred thirteen".