51362447 has 2 divisors, whose sum is σ = 51362448. Its totient is φ = 51362446.

The previous prime is 51362417. The next prime is 51362471. The reversal of 51362447 is 74426315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51362447 - 2⁸ = 51362191 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51362407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25681223 + 25681224.

It is an arithmetic number, because the mean of its divisors is an integer number (25681224).

Almost surely, 2^51362447 is an apocalyptic number.

51362447 is a deficient number, since it is larger than the sum of its proper divisors (1).

51362447 is an equidigital number, since it uses as much as digits as its factorization.

51362447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 51362447 is about 7166.7598676110. The cubic root of 51362447 is about 371.7194067632.

The spelling of 51362447 in words is "fifty-one million, three hundred sixty-two thousand, four hundred forty-seven".