1551063 has 12 divisors (see below), whose sum is σ = 2198120. Its totient is φ = 972672.

The previous prime is 1551049. The next prime is 1551083. The reversal of 1551063 is 3601551.

It is a happy number.

It is not a de Polignac number, because 1551063 - 2⁶ = 1550999 is a prime.

It is a Duffinian number.

1551063 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1551013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28 + ... + 1761.

2^1551063 is an apocalyptic number.

1551063 is a deficient number, since it is larger than the sum of its proper divisors (647057).

1551063 is a wasteful number, since it uses less digits than its factorization.

1551063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1551063 is about 1245.4167977027. The cubic root of 1551063 is about 115.7559026825.

The spelling of 1551063 in words is "one million, five hundred fifty-one thousand, sixty-three".