4145213 has 2 divisors, whose sum is σ = 4145214. Its totient is φ = 4145212.

The previous prime is 4145201. The next prime is 4145257. The reversal of 4145213 is 3125414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3678724 + 466489 = 1918^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 4145213 - 2¹² = 4141117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4145293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072606 + 2072607.

It is an arithmetic number, because the mean of its divisors is an integer number (2072607).

Almost surely, 2^4145213 is an apocalyptic number.

It is an amenable number.

4145213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145213 is an equidigital number, since it uses as much as digits as its factorization.

4145213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 20.

The square root of 4145213 is about 2035.9796167938. The cubic root of 4145213 is about 160.6382449070.

It can be divided in two parts, 41 and 45213, that added together give a palindrome (45254).

The spelling of 4145213 in words is "four million, one hundred forty-five thousand, two hundred thirteen".