4151977 has 2 divisors, whose sum is σ = 4151978. Its totient is φ = 4151976.

The previous prime is 4151971. The next prime is 4151989. The reversal of 4151977 is 7791514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3825936 + 326041 = 1956^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 4151977 - 2³ = 4151969 is a prime.

4151977 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4151971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2075988 + 2075989.

It is an arithmetic number, because the mean of its divisors is an integer number (2075989).

Almost surely, 2^4151977 is an apocalyptic number.

It is an amenable number.

4151977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4151977 is an equidigital number, since it uses as much as digits as its factorization.

4151977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 34.

The square root of 4151977 is about 2037.6400565360. The cubic root of 4151977 is about 160.7255718729.

The spelling of 4151977 in words is "four million, one hundred fifty-one thousand, nine hundred seventy-seven".