531285151 has 2 divisors, whose sum is σ = 531285152. Its totient is φ = 531285150.

The previous prime is 531285127. The next prime is 531285193. The reversal of 531285151 is 151582135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531285151 - 2¹³ = 531276959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531288151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265642575 + 265642576.

It is an arithmetic number, because the mean of its divisors is an integer number (265642576).

Almost surely, 2^531285151 is an apocalyptic number.

531285151 is a deficient number, since it is larger than the sum of its proper divisors (1).

531285151 is an equidigital number, since it uses as much as digits as its factorization.

531285151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 31.

The square root of 531285151 is about 23049.6236628714. The cubic root of 531285151 is about 809.9208127638.

The spelling of 531285151 in words is "five hundred thirty-one million, two hundred eighty-five thousand, one hundred fifty-one".