4181953 has 2 divisors, whose sum is σ = 4181954. Its totient is φ = 4181952.

The previous prime is 4181941. The next prime is 4181981. The reversal of 4181953 is 3591814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4112784 + 69169 = 2028^2 + 263^2 .

It is a cyclic number.

It is not a de Polignac number, because 4181953 - 2¹³ = 4173761 is a prime.

It is not a weakly prime, because it can be changed into another prime (4185953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2090976 + 2090977.

It is an arithmetic number, because the mean of its divisors is an integer number (2090977).

Almost surely, 2^4181953 is an apocalyptic number.

It is an amenable number.

4181953 is a deficient number, since it is larger than the sum of its proper divisors (1).

4181953 is an equidigital number, since it uses as much as digits as its factorization.

4181953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 4181953 is about 2044.9823960122. The cubic root of 4181953 is about 161.1114411761. Note that the first 3 decimals are identical.

The spelling of 4181953 in words is "four million, one hundred eighty-one thousand, nine hundred fifty-three".