150413521 has 4 divisors (see below), whose sum is σ = 151254000. Its totient is φ = 149573044.

The previous prime is 150413503. The next prime is 150413539. The reversal of 150413521 is 125314051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 125314051 = 23 ⋅5448437.

It is an interprime number because it is at equal distance from previous prime (150413503) and next prime (150413539).

It is a cyclic number.

It is not a de Polignac number, because 150413521 - 2⁹ = 150413009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150413492 and 150413501.

It is not an unprimeable number, because it can be changed into a prime (150413561) 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 in 3 ways as a sum of consecutive naturals, for example, 419971 + ... + 420328.

It is an arithmetic number, because the mean of its divisors is an integer number (37813500).

Almost surely, 2^150413521 is an apocalyptic number.

It is an amenable number.

150413521 is a deficient number, since it is larger than the sum of its proper divisors (840479).

150413521 is an equidigital number, since it uses as much as digits as its factorization.

150413521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840478.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 150413521 is about 12264.3190190079. The cubic root of 150413521 is about 531.8170939715.

Adding to 150413521 its reverse (125314051), we get a palindrome (275727572).

The spelling of 150413521 in words is "one hundred fifty million, four hundred thirteen thousand, five hundred twenty-one".