75130961 has 2 divisors, whose sum is σ = 75130962. Its totient is φ = 75130960.

The previous prime is 75130931. The next prime is 75130999. The reversal of 75130961 is 16903157.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46444225 + 28686736 = 6815^2 + 5356^2 .

It is an emirp because it is prime and its reverse (16903157) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75130961 - 2⁶ = 75130897 is a prime.

It is a super-2 number, since 2×75130961² = 11289322601567042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75130931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37565480 + 37565481.

It is an arithmetic number, because the mean of its divisors is an integer number (37565481).

Almost surely, 2^75130961 is an apocalyptic number.

It is an amenable number.

75130961 is a deficient number, since it is larger than the sum of its proper divisors (1).

75130961 is an equidigital number, since it uses as much as digits as its factorization.

75130961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 75130961 is about 8667.8117769135. The cubic root of 75130961 is about 421.9616494427.

The spelling of 75130961 in words is "seventy-five million, one hundred thirty thousand, nine hundred sixty-one".