151328461 has 2 divisors, whose sum is σ = 151328462. Its totient is φ = 151328460.

The previous prime is 151328459. The next prime is 151328473. The reversal of 151328461 is 164823151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143544361 + 7784100 = 11981^2 + 2790^2 .

It is a cyclic number.

It is not a de Polignac number, because 151328461 - 2¹ = 151328459 is a prime.

Together with 151328459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151328491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75664230 + 75664231.

It is an arithmetic number, because the mean of its divisors is an integer number (75664231).

Almost surely, 2^151328461 is an apocalyptic number.

It is an amenable number.

151328461 is a deficient number, since it is larger than the sum of its proper divisors (1).

151328461 is an equidigital number, since it uses as much as digits as its factorization.

151328461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 151328461 is about 12301.5633559316. The cubic root of 151328461 is about 532.8932327238.

The spelling of 151328461 in words is "one hundred fifty-one million, three hundred twenty-eight thousand, four hundred sixty-one".