351250000 has 80 divisors (see below), whose sum is σ = 853708752. Its totient is φ = 140000000.

The previous prime is 351249989. The next prime is 351250007. The reversal of 351250000 is 52153.

351250000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 296252944 + 54997056 = 17212^2 + 7416^2 .

It is a sliding number, since 351250000 = 31250000 + 320000000 and 1/31250000 + 1/320000000 = 0.0000000351250000.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351250007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249860 + ... + 1250140.

Almost surely, 2^351250000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426854376).

351250000 is an abundant number, since it is smaller than the sum of its proper divisors (502458752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351250000 is an frugal number, since it uses more digits than its factorization.

351250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 351250000 is about 18741.6648139913. The cubic root of 351250000 is about 705.5678405514.

The spelling of 351250000 in words is "three hundred fifty-one million, two hundred fifty thousand".