1506997 has 2 divisors, whose sum is σ = 1506998. Its totient is φ = 1506996.

The previous prime is 1506979. The next prime is 1507007. The reversal of 1506997 is 7996051.

Together with previous prime (1506979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1267876 + 239121 = 1126^2 + 489^2 .

It is a cyclic number.

It is not a de Polignac number, because 1506997 - 2¹¹ = 1504949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1506907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753498 + 753499.

It is an arithmetic number, because the mean of its divisors is an integer number (753499).

2^1506997 is an apocalyptic number.

It is an amenable number.

1506997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1506997 is an equidigital number, since it uses as much as digits as its factorization.

1506997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 1506997 is about 1227.5980612562. The cubic root of 1506997 is about 114.6491385608.

The spelling of 1506997 in words is "one million, five hundred six thousand, nine hundred ninety-seven".