195412757 has 2 divisors, whose sum is σ = 195412758. Its totient is φ = 195412756.

The previous prime is 195412717. The next prime is 195412781. The reversal of 195412757 is 757214591.

195412757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189585361 + 5827396 = 13769^2 + 2414^2 .

It is a cyclic number.

It is not a de Polignac number, because 195412757 - 2¹⁴ = 195396373 is a prime.

It is a super-2 number, since 2×195412757² = 76372291196682098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195412717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97706378 + 97706379.

It is an arithmetic number, because the mean of its divisors is an integer number (97706379).

Almost surely, 2^195412757 is an apocalyptic number.

It is an amenable number.

195412757 is a deficient number, since it is larger than the sum of its proper divisors (1).

195412757 is an equidigital number, since it uses as much as digits as its factorization.

195412757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 41.

The square root of 195412757 is about 13979.0113026637. The cubic root of 195412757 is about 580.2978622646.

The spelling of 195412757 in words is "one hundred ninety-five million, four hundred twelve thousand, seven hundred fifty-seven".