52351447 has 2 divisors, whose sum is σ = 52351448. Its totient is φ = 52351446.

The previous prime is 52351423. The next prime is 52351451. The reversal of 52351447 is 74415325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52351447 - 2⁷ = 52351319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52351417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26175723 + 26175724.

It is an arithmetic number, because the mean of its divisors is an integer number (26175724).

Almost surely, 2^52351447 is an apocalyptic number.

52351447 is the 3868-th centered heptagonal number.

52351447 is a deficient number, since it is larger than the sum of its proper divisors (1).

52351447 is an equidigital number, since it uses as much as digits as its factorization.

52351447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 31.

The square root of 52351447 is about 7235.4299803122. The cubic root of 52351447 is about 374.0901128815.

The spelling of 52351447 in words is "fifty-two million, three hundred fifty-one thousand, four hundred forty-seven".