52672447 has 2 divisors, whose sum is σ = 52672448. Its totient is φ = 52672446.

The previous prime is 52672421. The next prime is 52672471. The reversal of 52672447 is 74427625.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52672447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52672747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26336223 + 26336224.

It is an arithmetic number, because the mean of its divisors is an integer number (26336224).

Almost surely, 2^52672447 is an apocalyptic number.

52672447 is a deficient number, since it is larger than the sum of its proper divisors (1).

52672447 is an equidigital number, since it uses as much as digits as its factorization.

52672447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 37.

The square root of 52672447 is about 7257.5785906871. The cubic root of 52672447 is about 374.8531502049.

The spelling of 52672447 in words is "fifty-two million, six hundred seventy-two thousand, four hundred forty-seven".