351187201 has 4 divisors (see below), whose sum is σ = 354664404. Its totient is φ = 347710000.

The previous prime is 351187121. The next prime is 351187223. The reversal of 351187201 is 102781153.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 164454976 + 186732225 = 12824^2 + 13665^2 .

It is a cyclic number.

It is not a de Polignac number, because 351187201 - 2¹⁹ = 350662913 is a prime.

It is a super-3 number, since 3×351187201³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 351187201.

It is not an unprimeable number, because it can be changed into a prime (351187601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1738450 + ... + 1738651.

It is an arithmetic number, because the mean of its divisors is an integer number (88666101).

Almost surely, 2^351187201 is an apocalyptic number.

It is an amenable number.

351187201 is a deficient number, since it is larger than the sum of its proper divisors (3477203).

351187201 is a wasteful number, since it uses less digits than its factorization.

351187201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477202.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 351187201 is about 18739.9893543193. The cubic root of 351187201 is about 705.5257892150.

The spelling of 351187201 in words is "three hundred fifty-one million, one hundred eighty-seven thousand, two hundred one".