152503217 has 2 divisors, whose sum is σ = 152503218. Its totient is φ = 152503216.

The previous prime is 152503201. The next prime is 152503249. The reversal of 152503217 is 712305251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152374336 + 128881 = 12344^2 + 359^2 .

It is a cyclic number.

It is not a de Polignac number, because 152503217 - 2⁴ = 152503201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152503717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76251608 + 76251609.

It is an arithmetic number, because the mean of its divisors is an integer number (76251609).

Almost surely, 2^152503217 is an apocalyptic number.

It is an amenable number.

152503217 is a deficient number, since it is larger than the sum of its proper divisors (1).

152503217 is an equidigital number, since it uses as much as digits as its factorization.

152503217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 152503217 is about 12349.2192870643. The cubic root of 152503217 is about 534.2686218351.

Adding to 152503217 its reverse (712305251), we get a palindrome (864808468).

The spelling of 152503217 in words is "one hundred fifty-two million, five hundred three thousand, two hundred seventeen".