501353431 has 2 divisors, whose sum is σ = 501353432. Its totient is φ = 501353430.

The previous prime is 501353389. The next prime is 501353473. The reversal of 501353431 is 134353105.

It is a balanced prime because it is at equal distance from previous prime (501353389) and next prime (501353473).

It is a cyclic number.

It is not a de Polignac number, because 501353431 - 2¹⁵ = 501320663 is a prime.

It is a super-2 number, since 2×501353431² = 502710525550943522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501353396 and 501353405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501353491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250676715 + 250676716.

It is an arithmetic number, because the mean of its divisors is an integer number (250676716).

Almost surely, 2^501353431 is an apocalyptic number.

501353431 is a deficient number, since it is larger than the sum of its proper divisors (1).

501353431 is an equidigital number, since it uses as much as digits as its factorization.

501353431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 501353431 is about 22390.9229599854. The cubic root of 501353431 is about 794.4160267157.

The spelling of 501353431 in words is "five hundred one million, three hundred fifty-three thousand, four hundred thirty-one".