152520411 has 4 divisors (see below), whose sum is σ = 203360552. Its totient is φ = 101680272.

The previous prime is 152520377. The next prime is 152520421. The reversal of 152520411 is 114025251.

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

It is not a de Polignac number, because 152520411 - 2¹⁰ = 152519387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152520421) 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, 25420066 + ... + 25420071.

It is an arithmetic number, because the mean of its divisors is an integer number (50840138).

Almost surely, 2^152520411 is an apocalyptic number.

152520411 is a deficient number, since it is larger than the sum of its proper divisors (50840141).

152520411 is an equidigital number, since it uses as much as digits as its factorization.

152520411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50840140.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 152520411 is about 12349.9154248116. The cubic root of 152520411 is about 534.2886998147.

Adding to 152520411 its reverse (114025251), we get a palindrome (266545662).

The spelling of 152520411 in words is "one hundred fifty-two million, five hundred twenty thousand, four hundred eleven".