1552400203 has 12 divisors (see below), whose sum is σ = 1720796400. Its totient is φ = 1397551232.

The previous prime is 1552400197. The next prime is 1552400219. The reversal of 1552400203 is 3020042551.

It is a de Polignac number, because none of the positive numbers 2^k-1552400203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552407203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110128 + ... + 123421.

It is an arithmetic number, because the mean of its divisors is an integer number (143399700).

Almost surely, 2^1552400203 is an apocalyptic number.

1552400203 is a deficient number, since it is larger than the sum of its proper divisors (168396197).

1552400203 is a wasteful number, since it uses less digits than its factorization.

1552400203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233606 (or 233589 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1552400203 is about 39400.5101870521. The cubic root of 1552400203 is about 1157.8915830122.

Adding to 1552400203 its reverse (3020042551), we get a palindrome (4572442754).

The spelling of 1552400203 in words is "one billion, five hundred fifty-two million, four hundred thousand, two hundred three".