75251049 has 4 divisors (see below), whose sum is σ = 100334736. Its totient is φ = 50167364.

The previous prime is 75251047. The next prime is 75251083. The reversal of 75251049 is 94015257.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75251049 - 2¹ = 75251047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75251047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12541839 + ... + 12541844.

It is an arithmetic number, because the mean of its divisors is an integer number (25083684).

Almost surely, 2^75251049 is an apocalyptic number.

It is an amenable number.

75251049 is a deficient number, since it is larger than the sum of its proper divisors (25083687).

75251049 is a wasteful number, since it uses less digits than its factorization.

75251049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25083686.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 75251049 is about 8674.7362495928. The cubic root of 75251049 is about 422.1863484474.

The spelling of 75251049 in words is "seventy-five million, two hundred fifty-one thousand, forty-nine".