1551330201 has 8 divisors (see below), whose sum is σ = 2068915680. Its totient is φ = 1033982432.

The previous prime is 1551330167. The next prime is 1551330203. The reversal of 1551330201 is 1020331551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1551330201 - 2¹¹ = 1551328153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1551330203) 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 7 ways as a sum of consecutive naturals, for example, 43596 + ... + 70733.

It is an arithmetic number, because the mean of its divisors is an integer number (258614460).

Almost surely, 2^1551330201 is an apocalyptic number.

It is an amenable number.

1551330201 is a deficient number, since it is larger than the sum of its proper divisors (517585479).

1551330201 is a wasteful number, since it uses less digits than its factorization.

1551330201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118855.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1551330201 is about 39386.9293167162. The cubic root of 1551330201 is about 1157.6254937510.

Adding to 1551330201 its reverse (1020331551), we get a palindrome (2571661752).

The spelling of 1551330201 in words is "one billion, five hundred fifty-one million, three hundred thirty thousand, two hundred one".