151032251 has 2 divisors, whose sum is σ = 151032252. Its totient is φ = 151032250.

The previous prime is 151032247. The next prime is 151032281. The reversal of 151032251 is 152230151.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151032251 - 2² = 151032247 is a prime.

It is not a weakly prime, because it can be changed into another prime (151032241) 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, 75516125 + 75516126.

It is an arithmetic number, because the mean of its divisors is an integer number (75516126).

Almost surely, 2^151032251 is an apocalyptic number.

151032251 is a deficient number, since it is larger than the sum of its proper divisors (1).

151032251 is an equidigital number, since it uses as much as digits as its factorization.

151032251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 151032251 is about 12289.5179319614. The cubic root of 151032251 is about 532.5453109334.

The spelling of 151032251 in words is "one hundred fifty-one million, thirty-two thousand, two hundred fifty-one".