506253431 has 2 divisors, whose sum is σ = 506253432. Its totient is φ = 506253430.

The previous prime is 506253361. The next prime is 506253481. The reversal of 506253431 is 134352605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 506253431 - 2²² = 502059127 is a prime.

It is a super-2 number, since 2×506253431² = 512585072798543522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 506253394 and 506253403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506253481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253126715 + 253126716.

It is an arithmetic number, because the mean of its divisors is an integer number (253126716).

Almost surely, 2^506253431 is an apocalyptic number.

506253431 is a deficient number, since it is larger than the sum of its proper divisors (1).

506253431 is an equidigital number, since it uses as much as digits as its factorization.

506253431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 506253431 is about 22500.0762443153. The cubic root of 506253431 is about 796.9957273676.

The spelling of 506253431 in words is "five hundred six million, two hundred fifty-three thousand, four hundred thirty-one".