3545321250 has 80 divisors (see below), whose sum is σ = 9076969440. Its totient is φ = 922320000.

The previous prime is 3545321239. The next prime is 3545321261. The reversal of 3545321250 is 521235453.

It is an interprime number because it is at equal distance from previous prime (3545321239) and next prime (3545321261).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 142221 + ... + 165279.

It is an arithmetic number, because the mean of its divisors is an integer number (113462118).

Almost surely, 2^3545321250 is an apocalyptic number.

3545321250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3545321250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4538484720).

3545321250 is an abundant number, since it is smaller than the sum of its proper divisors (5531648190).

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

3545321250 is a wasteful number, since it uses less digits than its factorization.

3545321250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23125 (or 23110 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 3545321250 is about 59542.6002959226. The cubic root of 3545321250 is about 1524.8198300092.

The spelling of 3545321250 in words is "three billion, five hundred forty-five million, three hundred twenty-one thousand, two hundred fifty".