152540313 has 4 divisors (see below), whose sum is σ = 203387088. Its totient is φ = 101693540.

The previous prime is 152540309. The next prime is 152540317. The reversal of 152540313 is 313045251.

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.

It is an interprime number because it is at equal distance from previous prime (152540309) and next prime (152540317).

It is a cyclic number.

It is not a de Polignac number, because 152540313 - 2² = 152540309 is a prime.

It is a super-3 number, since 3×152540313³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (152540317) 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, 25423383 + ... + 25423388.

It is an arithmetic number, because the mean of its divisors is an integer number (50846772).

Almost surely, 2^152540313 is an apocalyptic number.

It is an amenable number.

152540313 is a deficient number, since it is larger than the sum of its proper divisors (50846775).

152540313 is an equidigital number, since it uses as much as digits as its factorization.

152540313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50846774.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 152540313 is about 12350.7211530339. The cubic root of 152540313 is about 534.3119381279.

Adding to 152540313 its reverse (313045251), we get a palindrome (465585564).

The spelling of 152540313 in words is "one hundred fifty-two million, five hundred forty thousand, three hundred thirteen".