531151151 has 2 divisors, whose sum is σ = 531151152. Its totient is φ = 531151150.

The previous prime is 531151133. The next prime is 531151157. The reversal of 531151151 is 151151135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531151151 - 2¹⁰ = 531150127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531151157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265575575 + 265575576.

It is an arithmetic number, because the mean of its divisors is an integer number (265575576).

Almost surely, 2^531151151 is an apocalyptic number.

531151151 is a deficient number, since it is larger than the sum of its proper divisors (1).

531151151 is an equidigital number, since it uses as much as digits as its factorization.

531151151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 375, while the sum is 23.

The square root of 531151151 is about 23046.7167075920. The cubic root of 531151151 is about 809.8527146722.

The spelling of 531151151 in words is "five hundred thirty-one million, one hundred fifty-one thousand, one hundred fifty-one".