1552421204 has 6 divisors (see below), whose sum is σ = 2716737114. Its totient is φ = 776210600.

The previous prime is 1552421161. The next prime is 1552421237. The reversal of 1552421204 is 4021242551.

It can be written as a sum of positive squares in only one way, i.e., 879122500 + 673298704 = 29650^2 + 25948^2 .

It is a congruent number.

It is an unprimeable number.

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, 194052647 + ... + 194052654.

It is an arithmetic number, because the mean of its divisors is an integer number (452789519).

Almost surely, 2^1552421204 is an apocalyptic number.

It is an amenable number.

1552421204 is a deficient number, since it is larger than the sum of its proper divisors (1164315910).

1552421204 is a wasteful number, since it uses less digits than its factorization.

1552421204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388105305 (or 388105303 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1552421204 is about 39400.7766928521. The cubic root of 1552421204 is about 1157.8968043401.

Adding to 1552421204 its reverse (4021242551), we get a palindrome (5573663755).

The spelling of 1552421204 in words is "one billion, five hundred fifty-two million, four hundred twenty-one thousand, two hundred four".