1552369 has 12 divisors (see below), whose sum is σ = 1945524. Its totient is φ = 1227744.

The previous prime is 1552367. The next prime is 1552373. The reversal of 1552369 is 9632551.

It can be written as a sum of positive squares in 2 ways, for example, as 893025 + 659344 = 945^2 + 812^2 .

It is not a de Polignac number, because 1552369 - 2¹ = 1552367 is a prime.

It is a super-2 number, since 2×1552369² = 4819699024322, which contains 22 as substring.

1552369 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1552369.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552367) 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, 582 + ... + 1855.

It is an arithmetic number, because the mean of its divisors is an integer number (162127).

2^1552369 is an apocalyptic number.

It is an amenable number.

1552369 is a deficient number, since it is larger than the sum of its proper divisors (393155).

1552369 is a wasteful number, since it uses less digits than its factorization.

1552369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464 (or 2457 counting only the distinct ones).

The product of its digits is 8100, while the sum is 31.

The square root of 1552369 is about 1245.9410098396. The cubic root of 1552369 is about 115.7883825147.

It can be divided in two parts, 155236 and 9, that multiplied together give a square (1397124 = 1182²).

The spelling of 1552369 in words is "one million, five hundred fifty-two thousand, three hundred sixty-nine".