75125403 has 6 divisors (see below), whose sum is σ = 108514484. Its totient is φ = 50083596.

The previous prime is 75125389. The next prime is 75125459. The reversal of 75125403 is 30452157.

It is a happy number.

It is not a de Polignac number, because 75125403 - 2⁴ = 75125387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75125003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4173625 + ... + 4173642.

Almost surely, 2^75125403 is an apocalyptic number.

75125403 is a deficient number, since it is larger than the sum of its proper divisors (33389081).

75125403 is a wasteful number, since it uses less digits than its factorization.

75125403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8347273 (or 8347270 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 75125403 is about 8667.4911594994. The cubic root of 75125403 is about 421.9512439647.

The spelling of 75125403 in words is "seventy-five million, one hundred twenty-five thousand, four hundred three".