152390417 has 2 divisors, whose sum is σ = 152390418. Its totient is φ = 152390416.

The previous prime is 152390297. The next prime is 152390473. The reversal of 152390417 is 714093251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151388416 + 1002001 = 12304^2 + 1001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152390417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152392417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76195208 + 76195209.

It is an arithmetic number, because the mean of its divisors is an integer number (76195209).

Almost surely, 2^152390417 is an apocalyptic number.

It is an amenable number.

152390417 is a deficient number, since it is larger than the sum of its proper divisors (1).

152390417 is an equidigital number, since it uses as much as digits as its factorization.

152390417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 152390417 is about 12344.6513519014. The cubic root of 152390417 is about 534.1368642533.

The spelling of 152390417 in words is "one hundred fifty-two million, three hundred ninety thousand, four hundred seventeen".