4002997 has 2 divisors, whose sum is σ = 4002998. Its totient is φ = 4002996.

The previous prime is 4002991. The next prime is 4003001. The reversal of 4002997 is 7992004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2430481 + 1572516 = 1559^2 + 1254^2 .

It is a cyclic number.

It is not a de Polignac number, because 4002997 - 2¹¹ = 4000949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4002991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001498 + 2001499.

It is an arithmetic number, because the mean of its divisors is an integer number (2001499).

Almost surely, 2^4002997 is an apocalyptic number.

It is an amenable number.

4002997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002997 is an equidigital number, since it uses as much as digits as its factorization.

4002997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 4002997 is about 2000.7491097087. The cubic root of 4002997 is about 158.7797406408.

The spelling of 4002997 in words is "four million, two thousand, nine hundred ninety-seven".