536431901 has 2 divisors, whose sum is σ = 536431902. Its totient is φ = 536431900.

The previous prime is 536431897. The next prime is 536431927. The reversal of 536431901 is 109134635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 521026276 + 15405625 = 22826^2 + 3925^2 .

It is a cyclic number.

It is not a de Polignac number, because 536431901 - 2² = 536431897 is a prime.

It is equal to p_28170905 and since 536431901 and 28170905 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 (536431201) 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, 268215950 + 268215951.

It is an arithmetic number, because the mean of its divisors is an integer number (268215951).

Almost surely, 2^536431901 is an apocalyptic number.

It is an amenable number.

536431901 is a deficient number, since it is larger than the sum of its proper divisors (1).

536431901 is an equidigital number, since it uses as much as digits as its factorization.

536431901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 536431901 is about 23160.9995682397. Note that the first 3 decimals coincide. The cubic root of 536431901 is about 812.5277439363.

The spelling of 536431901 in words is "five hundred thirty-six million, four hundred thirty-one thousand, nine hundred one".