536401069 has 2 divisors, whose sum is σ = 536401070. Its totient is φ = 536401068.

The previous prime is 536401039. The next prime is 536401079. The reversal of 536401069 is 960104635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472192900 + 64208169 = 21730^2 + 8013^2 .

It is a cyclic number.

It is not a de Polignac number, because 536401069 - 2⁷ = 536400941 is a prime.

It is a super-2 number, since 2×536401069² = 575452213648685522, which contains 22 as substring.

It is equal to p_28169350 and since 536401069 and 28169350 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536401039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268200534 + 268200535.

It is an arithmetic number, because the mean of its divisors is an integer number (268200535).

Almost surely, 2^536401069 is an apocalyptic number.

It is an amenable number.

536401069 is a deficient number, since it is larger than the sum of its proper divisors (1).

536401069 is an equidigital number, since it uses as much as digits as its factorization.

536401069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 536401069 is about 23160.3339570050. Note that the first 3 decimals coincide. The cubic root of 536401069 is about 812.5121766696.

The spelling of 536401069 in words is "five hundred thirty-six million, four hundred one thousand, sixty-nine".