152242513 has 2 divisors, whose sum is σ = 152242514. Its totient is φ = 152242512.

The previous prime is 152242511. The next prime is 152242523. The reversal of 152242513 is 315242251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135210384 + 17032129 = 11628^2 + 4127^2 .

It is a cyclic number.

It is not a de Polignac number, because 152242513 - 2¹ = 152242511 is a prime.

Together with 152242511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (152242511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76121256 + 76121257.

It is an arithmetic number, because the mean of its divisors is an integer number (76121257).

Almost surely, 2^152242513 is an apocalyptic number.

It is an amenable number.

152242513 is a deficient number, since it is larger than the sum of its proper divisors (1).

152242513 is an equidigital number, since it uses as much as digits as its factorization.

152242513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 25.

The square root of 152242513 is about 12338.6592869728. The cubic root of 152242513 is about 533.9640044097.

Adding to 152242513 its reverse (315242251), we get a palindrome (467484764).

The spelling of 152242513 in words is "one hundred fifty-two million, two hundred forty-two thousand, five hundred thirteen".