75570241 has 2 divisors, whose sum is σ = 75570242. Its totient is φ = 75570240.

The previous prime is 75570233. The next prime is 75570263. The reversal of 75570241 is 14207557.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56175025 + 19395216 = 7495^2 + 4404^2 .

It is a cyclic number.

It is not a de Polignac number, because 75570241 - 2³ = 75570233 is a prime.

It is a super-2 number, since 2×75570241² = 11421722649596162, which contains 22 as substring.

It is equal to p_4425817 and since 75570241 and 4425817 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (75570211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37785120 + 37785121.

It is an arithmetic number, because the mean of its divisors is an integer number (37785121).

Almost surely, 2^75570241 is an apocalyptic number.

It is an amenable number.

75570241 is a deficient number, since it is larger than the sum of its proper divisors (1).

75570241 is an equidigital number, since it uses as much as digits as its factorization.

75570241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 75570241 is about 8693.1145741903. The cubic root of 75570241 is about 422.7824350120.

Adding to 75570241 its reverse (14207557), we get a palindrome (89777798).

The spelling of 75570241 in words is "seventy-five million, five hundred seventy thousand, two hundred forty-one".