51573479 has 2 divisors, whose sum is σ = 51573480. Its totient is φ = 51573478.

The previous prime is 51573463. The next prime is 51573481. The reversal of 51573479 is 97437515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51573479 - 2⁴ = 51573463 is a prime.

Together with 51573481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51573499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25786739 + 25786740.

It is an arithmetic number, because the mean of its divisors is an integer number (25786740).

Almost surely, 2^51573479 is an apocalyptic number.

51573479 is a deficient number, since it is larger than the sum of its proper divisors (1).

51573479 is an equidigital number, since it uses as much as digits as its factorization.

51573479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300, while the sum is 41.

The square root of 51573479 is about 7181.4677469164. The cubic root of 51573479 is about 372.2278034888.

The spelling of 51573479 in words is "fifty-one million, five hundred seventy-three thousand, four hundred seventy-nine".