1550097 has 12 divisors (see below), whose sum is σ = 2322320. Its totient is φ = 1033236.

The previous prime is 1550083. The next prime is 1550099. The reversal of 1550097 is 7900551.

It is not a de Polignac number, because 1550097 - 2⁶ = 1550033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1550097.

It is not an unprimeable number, because it can be changed into a prime (1550099) 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 in 11 ways as a sum of consecutive naturals, for example, 2947 + ... + 3432.

2^1550097 is an apocalyptic number.

It is an amenable number.

1550097 is a deficient number, since it is larger than the sum of its proper divisors (772223).

1550097 is an frugal number, since it uses more digits than its factorization.

1550097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394 (or 6382 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 1550097 is about 1245.0289153269. The cubic root of 1550097 is about 115.7318668172.

The spelling of 1550097 in words is "one million, five hundred fifty thousand, ninety-seven".