151372531 has 2 divisors, whose sum is σ = 151372532. Its totient is φ = 151372530.

The previous prime is 151372523. The next prime is 151372553. The reversal of 151372531 is 135273151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151372531 - 2³ = 151372523 is a prime.

It is a super-2 number, since 2×151372531² = 45827286282691922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151372531.

It is not a weakly prime, because it can be changed into another prime (151372511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75686265 + 75686266.

It is an arithmetic number, because the mean of its divisors is an integer number (75686266).

Almost surely, 2^151372531 is an apocalyptic number.

151372531 is a deficient number, since it is larger than the sum of its proper divisors (1).

151372531 is an equidigital number, since it uses as much as digits as its factorization.

151372531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3150, while the sum is 28.

The square root of 151372531 is about 12303.3544612841. The cubic root of 151372531 is about 532.9449575728.

The spelling of 151372531 in words is "one hundred fifty-one million, three hundred seventy-two thousand, five hundred thirty-one".