75158953 has 2 divisors, whose sum is σ = 75158954. Its totient is φ = 75158952.

The previous prime is 75158947. The next prime is 75158957. The reversal of 75158953 is 35985157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62220544 + 12938409 = 7888^2 + 3597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75158953 is a prime.

It is not a weakly prime, because it can be changed into another prime (75158957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37579476 + 37579477.

It is an arithmetic number, because the mean of its divisors is an integer number (37579477).

Almost surely, 2^75158953 is an apocalyptic number.

It is an amenable number.

75158953 is a deficient number, since it is larger than the sum of its proper divisors (1).

75158953 is an equidigital number, since it uses as much as digits as its factorization.

75158953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 43.

The square root of 75158953 is about 8669.4263362693. The cubic root of 75158953 is about 422.0140472103.

The spelling of 75158953 in words is "seventy-five million, one hundred fifty-eight thousand, nine hundred fifty-three".