351081489 has 8 divisors (see below), whose sum is σ = 510664032. Its totient is φ = 212776640.

The previous prime is 351081463. The next prime is 351081547. The reversal of 351081489 is 984180153.

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 351081489 - 2⁵ = 351081457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (351081389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5319384 + ... + 5319449.

It is an arithmetic number, because the mean of its divisors is an integer number (63833004).

Almost surely, 2^351081489 is an apocalyptic number.

It is an amenable number.

351081489 is a deficient number, since it is larger than the sum of its proper divisors (159582543).

351081489 is a wasteful number, since it uses less digits than its factorization.

351081489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10638847.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 351081489 is about 18737.1686495052. The cubic root of 351081489 is about 705.4549912411.

The spelling of 351081489 in words is "three hundred fifty-one million, eighty-one thousand, four hundred eighty-nine".