531051427 has 2 divisors, whose sum is σ = 531051428. Its totient is φ = 531051426.

The previous prime is 531051403. The next prime is 531051431. The reversal of 531051427 is 724150135.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531051427 - 2¹⁵ = 531018659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531051395 and 531051404.

It is not a weakly prime, because it can be changed into another prime (531051497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265525713 + 265525714.

It is an arithmetic number, because the mean of its divisors is an integer number (265525714).

Almost surely, 2^531051427 is an apocalyptic number.

531051427 is a deficient number, since it is larger than the sum of its proper divisors (1).

531051427 is an equidigital number, since it uses as much as digits as its factorization.

531051427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 531051427 is about 23044.5530874435. The cubic root of 531051427 is about 809.8020280288.

The spelling of 531051427 in words is "five hundred thirty-one million, fifty-one thousand, four hundred twenty-seven".