4295021 has 2 divisors, whose sum is σ = 4295022. Its totient is φ = 4295020.

The previous prime is 4294991. The next prime is 4295029. The reversal of 4295021 is 1205924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2937796 + 1357225 = 1714^2 + 1165^2 .

It is a cyclic number.

It is not a de Polignac number, because 4295021 - 2¹⁸ = 4032877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4295029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2147510 + 2147511.

It is an arithmetic number, because the mean of its divisors is an integer number (2147511).

Almost surely, 2^4295021 is an apocalyptic number.

It is an amenable number.

4295021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4295021 is an equidigital number, since it uses as much as digits as its factorization.

4295021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4295021 is about 2072.4432440962. The cubic root of 4295021 is about 162.5505452231.

The spelling of 4295021 in words is "four million, two hundred ninety-five thousand, twenty-one".