152005501 has 4 divisors (see below), whose sum is σ = 157247100. Its totient is φ = 146763904.

The previous prime is 152005481. The next prime is 152005507. The reversal of 152005501 is 105500251.

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 46922500 + 105083001 = 6850^2 + 10251^2 .

It is a cyclic number.

It is not a de Polignac number, because 152005501 - 2⁹ = 152004989 is a prime.

It is a super-3 number, since 3×152005501³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152005507) 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 in 3 ways as a sum of consecutive naturals, for example, 2620756 + ... + 2620813.

It is an arithmetic number, because the mean of its divisors is an integer number (39311775).

Almost surely, 2^152005501 is an apocalyptic number.

It is an amenable number.

152005501 is a deficient number, since it is larger than the sum of its proper divisors (5241599).

152005501 is an equidigital number, since it uses as much as digits as its factorization.

152005501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241598.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 152005501 is about 12329.0510989289. The cubic root of 152005501 is about 533.6867677709.

Adding to 152005501 its reverse (105500251), we get a palindrome (257505752).

The spelling of 152005501 in words is "one hundred fifty-two million, five thousand, five hundred one".