351487 has 4 divisors (see below), whose sum is σ = 353056. Its totient is φ = 349920.

The previous prime is 351479. The next prime is 351497. The reversal of 351487 is 784153.

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

It is a cyclic number.

It is not a de Polignac number, because 351487 - 2³ = 351479 is a prime.

It is a super-2 number, since 2×351487² = 247086222338, which contains 22 as substring.

It is a Duffinian number.

351487 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378 + ... + 919.

It is an arithmetic number, because the mean of its divisors is an integer number (88264).

2³⁵¹⁴⁸⁷ is an apocalyptic number.

351487 is a deficient number, since it is larger than the sum of its proper divisors (1569).

351487 is a wasteful number, since it uses less digits than its factorization.

351487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568.

The product of its digits is 3360, while the sum is 28.

The square root of 351487 is about 592.8633906728. The cubic root of 351487 is about 70.5726494865.

It can be divided in two parts, 351 and 487, that added together give a palindrome (838).

The spelling of 351487 in words is "three hundred fifty-one thousand, four hundred eighty-seven".