1552469 has 2 divisors, whose sum is σ = 1552470. Its totient is φ = 1552468.

The previous prime is 1552451. The next prime is 1552501. The reversal of 1552469 is 9642551.

It is a happy number.

It is an a-pointer prime, because the next prime (1552501) can be obtained adding 1552469 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1129969 + 422500 = 1063^2 + 650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1552469 is a prime.

It is a super-2 number, since 2×1552469² = 4820319991922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1552169) 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 as a sum of consecutive naturals, namely, 776234 + 776235.

It is an arithmetic number, because the mean of its divisors is an integer number (776235).

2^1552469 is an apocalyptic number.

It is an amenable number.

1552469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552469 is an equidigital number, since it uses as much as digits as its factorization.

1552469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 1552469 is about 1245.9811395041. The cubic root of 1552469 is about 115.7908687341.

The spelling of 1552469 in words is "one million, five hundred fifty-two thousand, four hundred sixty-nine".