256524043 has 2 divisors, whose sum is σ = 256524044. Its totient is φ = 256524042.

The previous prime is 256524019. The next prime is 256524061. The reversal of 256524043 is 340425652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 256524043 - 2¹³ = 256515851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256523996 and 256524014.

It is not a weakly prime, because it can be changed into another prime (256524013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128262021 + 128262022.

It is an arithmetic number, because the mean of its divisors is an integer number (128262022).

Almost surely, 2^256524043 is an apocalyptic number.

256524043 is a deficient number, since it is larger than the sum of its proper divisors (1).

256524043 is an equidigital number, since it uses as much as digits as its factorization.

256524043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 256524043 is about 16016.3679715471. The cubic root of 256524043 is about 635.3933892415.

Adding to 256524043 its reverse (340425652), we get a palindrome (596949695).

The spelling of 256524043 in words is "two hundred fifty-six million, five hundred twenty-four thousand, forty-three".