75003325 has 6 divisors (see below), whose sum is σ = 93004154. Its totient is φ = 60002640.

The previous prime is 75003301. The next prime is 75003373. The reversal of 75003325 is 52330057.

It can be written as a sum of positive squares in 3 ways, for example, as 3059001 + 71944324 = 1749^2 + 8482^2 .

It is not a de Polignac number, because 75003325 - 2⁵ = 75003293 is a prime.

It is a super-3 number, since 3×75003325³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 3000133 = 75003325 / (7 + 5 + 0 + 0 + 3 + 3 + 2 + 5).

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 75003325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1500042 + ... + 1500091.

Almost surely, 2^75003325 is an apocalyptic number.

It is an amenable number.

75003325 is a deficient number, since it is larger than the sum of its proper divisors (18000829).

75003325 is a wasteful number, since it uses less digits than its factorization.

75003325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000143 (or 3000138 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 75003325 is about 8660.4460046813. The cubic root of 75003325 is about 421.7225645890.

The spelling of 75003325 in words is "seventy-five million, three thousand, three hundred twenty-five".