1552281201 has 27 divisors (see below), whose sum is σ = 2348020857. Its totient is φ = 988126920.

The previous prime is 1552281179. The next prime is 1552281217. The reversal of 1552281201 is 1021822551.

It is a happy number.

The square root of 1552281201 is 39399.

It is a perfect power (a square), and thus also a powerful number.

1552281201 is a `hidden beast` number, since 15 + 522 + 8 + 120 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1552281201 is a prime.

It is a super-3 number, since 3×1552281201³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (1552281001) 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 26 ways as a sum of consecutive naturals, for example, 2718246 + ... + 2718816.

Almost surely, 2^1552281201 is an apocalyptic number.

1552281201 is the 39399-th square number.

1552281201 is the 19700-th centered octagonal number.

It is an amenable number.

1552281201 is a deficient number, since it is larger than the sum of its proper divisors (795739656).

1552281201 is an frugal number, since it uses more digits than its factorization.

1552281201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The cubic root of 1552281201 is about 1157.8619955096.

Multiplying 1552281201 by its product of nonzero digits (1600), we get a square (2483649921600 = 1575960²).

The spelling of 1552281201 in words is "one billion, five hundred fifty-two million, two hundred eighty-one thousand, two hundred one".