162452009 has 2 divisors, whose sum is σ = 162452010. Its totient is φ = 162452008.

The previous prime is 162451973. The next prime is 162452029. The reversal of 162452009 is 900254261.

It is a happy number.

162452009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105781225 + 56670784 = 10285^2 + 7528^2 .

It is a cyclic number.

It is not a de Polignac number, because 162452009 - 2¹² = 162447913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (162452029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81226004 + 81226005.

It is an arithmetic number, because the mean of its divisors is an integer number (81226005).

Almost surely, 2^162452009 is an apocalyptic number.

It is an amenable number.

162452009 is a deficient number, since it is larger than the sum of its proper divisors (1).

162452009 is an equidigital number, since it uses as much as digits as its factorization.

162452009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 162452009 is about 12745.6662830940. Note that the first 3 decimals coincide. The cubic root of 162452009 is about 545.6427162045.

The spelling of 162452009 in words is "one hundred sixty-two million, four hundred fifty-two thousand, nine".