4180949 has 2 divisors, whose sum is σ = 4180950. Its totient is φ = 4180948.

The previous prime is 4180927. The next prime is 4180961. The reversal of 4180949 is 9490814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3010225 + 1170724 = 1735^2 + 1082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4180949 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4180909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2090474 + 2090475.

It is an arithmetic number, because the mean of its divisors is an integer number (2090475).

Almost surely, 2^4180949 is an apocalyptic number.

It is an amenable number.

4180949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4180949 is an equidigital number, since it uses as much as digits as its factorization.

4180949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 4180949 is about 2044.7369023911. The cubic root of 4180949 is about 161.0985469746.

The spelling of 4180949 in words is "four million, one hundred eighty thousand, nine hundred forty-nine".