1552840252 has 12 divisors (see below), whose sum is σ = 2780667736. Its totient is φ = 758363760.

The previous prime is 1552840249. The next prime is 1552840253. The reversal of 1552840252 is 2520482551.

It is a super-2 number, since 2×1552840252² = 4822625696462847008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552840253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4513899 + ... + 4514242.

Almost surely, 2^1552840252 is an apocalyptic number.

It is an amenable number.

1552840252 is a deficient number, since it is larger than the sum of its proper divisors (1227827484).

1552840252 is a wasteful number, since it uses less digits than its factorization.

1552840252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9028188 (or 9028186 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The square root of 1552840252 is about 39406.0940972332. The cubic root of 1552840252 is about 1158.0009793941. Note that the first 3 decimals are identical.

The spelling of 1552840252 in words is "one billion, five hundred fifty-two million, eight hundred forty thousand, two hundred fifty-two".