75157001 has 2 divisors, whose sum is σ = 75157002. Its totient is φ = 75157000.

The previous prime is 75156997. The next prime is 75157003. The reversal of 75157001 is 10075157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72267001 + 2890000 = 8501^2 + 1700^2 .

It is a cyclic number.

It is not a de Polignac number, because 75157001 - 2² = 75156997 is a prime.

Together with 75157003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75157003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37578500 + 37578501.

It is an arithmetic number, because the mean of its divisors is an integer number (37578501).

Almost surely, 2^75157001 is an apocalyptic number.

It is an amenable number.

75157001 is a deficient number, since it is larger than the sum of its proper divisors (1).

75157001 is an equidigital number, since it uses as much as digits as its factorization.

75157001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1225, while the sum is 26.

The square root of 75157001 is about 8669.3137560017. The cubic root of 75157001 is about 422.0103937154.

The spelling of 75157001 in words is "seventy-five million, one hundred fifty-seven thousand, one".