75252425257 has 4 divisors (see below), whose sum is σ = 76853540736. Its totient is φ = 73651309780.

The previous prime is 75252425231. The next prime is 75252425357.

It is a happy number.

75252425257 is nontrivially palindromic in base 10.

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 a de Polignac number, because none of the positive numbers 2^k-75252425257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75252425357) 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, 800557669 + ... + 800557762.

It is an arithmetic number, because the mean of its divisors is an integer number (19213385184).

Almost surely, 2^75252425257 is an apocalyptic number.

It is an amenable number.

75252425257 is a deficient number, since it is larger than the sum of its proper divisors (1601115479).

75252425257 is a wasteful number, since it uses less digits than its factorization.

75252425257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601115478.

The product of its digits is 1960000, while the sum is 46.

The spelling of 75252425257 in words is "seventy-five billion, two hundred fifty-two million, four hundred twenty-five thousand, two hundred fifty-seven".