152420313 has 4 divisors (see below), whose sum is σ = 203227088. Its totient is φ = 101613540.

The previous prime is 152420297. The next prime is 152420341. The reversal of 152420313 is 313024251.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313024251 = 3 ⋅104341417.

It is not a de Polignac number, because 152420313 - 2⁴ = 152420297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152420313.

It is not an unprimeable number, because it can be changed into a prime (152420393) 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, 25403383 + ... + 25403388.

It is an arithmetic number, because the mean of its divisors is an integer number (50806772).

Almost surely, 2^152420313 is an apocalyptic number.

It is an amenable number.

152420313 is a deficient number, since it is larger than the sum of its proper divisors (50806775).

152420313 is an equidigital number, since it uses as much as digits as its factorization.

152420313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50806774.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 152420313 is about 12345.8621813140. The cubic root of 152420313 is about 534.1717910155.

Adding to 152420313 its reverse (313024251), we get a palindrome (465444564).

The spelling of 152420313 in words is "one hundred fifty-two million, four hundred twenty thousand, three hundred thirteen".