151328531 has 2 divisors, whose sum is σ = 151328532. Its totient is φ = 151328530.

The previous prime is 151328519. The next prime is 151328549. The reversal of 151328531 is 135823151.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (135823151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151328531 - 2²² = 147134227 is a prime.

It is a super-2 number, since 2×151328531² = 45800648589235922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 151328494 and 151328503.

It is not a weakly prime, because it can be changed into another prime (151328561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75664265 + 75664266.

It is an arithmetic number, because the mean of its divisors is an integer number (75664266).

Almost surely, 2^151328531 is an apocalyptic number.

151328531 is a deficient number, since it is larger than the sum of its proper divisors (1).

151328531 is an equidigital number, since it uses as much as digits as its factorization.

151328531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 29.

The square root of 151328531 is about 12301.5662010981. The cubic root of 151328531 is about 532.8933148906.

The spelling of 151328531 in words is "one hundred fifty-one million, three hundred twenty-eight thousand, five hundred thirty-one".