75125503 has 4 divisors (see below), whose sum is σ = 77155960. Its totient is φ = 73095048.

The previous prime is 75125497. The next prime is 75125509. The reversal of 75125503 is 30552157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30552157 = 227 ⋅134591.

It is an interprime number because it is at equal distance from previous prime (75125497) and next prime (75125509).

It is a cyclic number.

It is not a de Polignac number, because 75125503 - 2¹³ = 75117311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75125509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015173 + ... + 1015246.

It is an arithmetic number, because the mean of its divisors is an integer number (19288990).

Almost surely, 2^75125503 is an apocalyptic number.

75125503 is a deficient number, since it is larger than the sum of its proper divisors (2030457).

75125503 is a wasteful number, since it uses less digits than its factorization.

75125503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030456.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 75125503 is about 8667.4969281794. The cubic root of 75125503 is about 421.9514311855.

The spelling of 75125503 in words is "seventy-five million, one hundred twenty-five thousand, five hundred three".