150525421 has 2 divisors, whose sum is σ = 150525422. Its totient is φ = 150525420.

The previous prime is 150525383. The next prime is 150525437. The reversal of 150525421 is 124525051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148596100 + 1929321 = 12190^2 + 1389^2 .

It is a cyclic number.

It is not a de Polignac number, because 150525421 - 2⁹ = 150524909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150525481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75262710 + 75262711.

It is an arithmetic number, because the mean of its divisors is an integer number (75262711).

Almost surely, 2^150525421 is an apocalyptic number.

It is an amenable number.

150525421 is a deficient number, since it is larger than the sum of its proper divisors (1).

150525421 is an equidigital number, since it uses as much as digits as its factorization.

150525421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 150525421 is about 12268.8801852492. The cubic root of 150525421 is about 531.9489428925.

The spelling of 150525421 in words is "one hundred fifty million, five hundred twenty-five thousand, four hundred twenty-one".