150409997 has 2 divisors, whose sum is σ = 150409998. Its totient is φ = 150409996.

The previous prime is 150409981. The next prime is 150410059. The reversal of 150409997 is 799904051.

150409997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103815721 + 46594276 = 10189^2 + 6826^2 .

It is a cyclic number.

It is not a de Polignac number, because 150409997 - 2⁴ = 150409981 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150409967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75204998 + 75204999.

It is an arithmetic number, because the mean of its divisors is an integer number (75204999).

Almost surely, 2^150409997 is an apocalyptic number.

It is an amenable number.

150409997 is a deficient number, since it is larger than the sum of its proper divisors (1).

150409997 is an equidigital number, since it uses as much as digits as its factorization.

150409997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 150409997 is about 12264.1753493661. The cubic root of 150409997 is about 531.8129406701.

The spelling of 150409997 in words is "one hundred fifty million, four hundred nine thousand, nine hundred ninety-seven".