51374623 has 2 divisors, whose sum is σ = 51374624. Its totient is φ = 51374622.

The previous prime is 51374621. The next prime is 51374633. The reversal of 51374623 is 32647315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51374623 - 2¹ = 51374621 is a prime.

Together with 51374621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51374621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25687311 + 25687312.

It is an arithmetic number, because the mean of its divisors is an integer number (25687312).

Almost surely, 2^51374623 is an apocalyptic number.

51374623 is a deficient number, since it is larger than the sum of its proper divisors (1).

51374623 is an equidigital number, since it uses as much as digits as its factorization.

51374623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 51374623 is about 7167.6092945975. The cubic root of 51374623 is about 371.7487777541.

The spelling of 51374623 in words is "fifty-one million, three hundred seventy-four thousand, six hundred twenty-three".