152533505 has 4 divisors (see below), whose sum is σ = 183040212. Its totient is φ = 122026800.

The previous prime is 152533487. The next prime is 152533531. The reversal of 152533505 is 505335251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15737089 + 136796416 = 3967^2 + 11696^2 .

It is not a de Polignac number, because 152533505 - 2¹² = 152529409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15253346 + ... + 15253355.

It is an arithmetic number, because the mean of its divisors is an integer number (45760053).

Almost surely, 2^152533505 is an apocalyptic number.

It is an amenable number.

152533505 is a deficient number, since it is larger than the sum of its proper divisors (30506707).

152533505 is an equidigital number, since it uses as much as digits as its factorization.

152533505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30506706.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 152533505 is about 12350.4455385221. The cubic root of 152533505 is about 534.3039890821.

Adding to 152533505 its reverse (505335251), we get a palindrome (657868756).

The spelling of 152533505 in words is "one hundred fifty-two million, five hundred thirty-three thousand, five hundred five".