1552545 has 12 divisors (see below), whose sum is σ = 2691156. Its totient is φ = 828000.

The previous prime is 1552543. The next prime is 1552553. The reversal of 1552545 is 5452551.

It can be written as a sum of positive squares in 2 ways, for example, as 720801 + 831744 = 849^2 + 912^2 .

It is not a de Polignac number, because 1552545 - 2¹ = 1552543 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1552541) 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, 17206 + ... + 17295.

It is an arithmetic number, because the mean of its divisors is an integer number (224263).

2^1552545 is an apocalyptic number.

1552545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1552545 is a deficient number, since it is larger than the sum of its proper divisors (1138611).

1552545 is a wasteful number, since it uses less digits than its factorization.

1552545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34512 (or 34509 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 1552545 is about 1246.0116371848. The cubic root of 1552545 is about 115.7927581894.

The spelling of 1552545 in words is "one million, five hundred fifty-two thousand, five hundred forty-five".