150421253 has 4 divisors (see below), whose sum is σ = 159269580. Its totient is φ = 141572928.

The previous prime is 150421247. The next prime is 150421259. The reversal of 150421253 is 352124051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352124051 = 409 ⋅860939.

It is an interprime number because it is at equal distance from previous prime (150421247) and next prime (150421259).

It can be written as a sum of positive squares in 2 ways, for example, as 53260804 + 97160449 = 7298^2 + 9857^2 .

It is a cyclic number.

It is not a de Polignac number, because 150421253 - 2¹⁰ = 150420229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150421259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4424138 + ... + 4424171.

It is an arithmetic number, because the mean of its divisors is an integer number (39817395).

Almost surely, 2^150421253 is an apocalyptic number.

It is an amenable number.

150421253 is a deficient number, since it is larger than the sum of its proper divisors (8848327).

150421253 is an equidigital number, since it uses as much as digits as its factorization.

150421253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8848326.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 150421253 is about 12264.6342383293. The cubic root of 150421253 is about 531.8262064929.

The spelling of 150421253 in words is "one hundred fifty million, four hundred twenty-one thousand, two hundred fifty-three".