435997 has 2 divisors, whose sum is σ = 435998. Its totient is φ = 435996.

The previous prime is 435983. The next prime is 436003. The reversal of 435997 is 799534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427716 + 8281 = 654^2 + 91^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-435997 is a prime.

435997 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (435907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217998 + 217999.

It is an arithmetic number, because the mean of its divisors is an integer number (217999).

2⁴³⁵⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

435997 is a deficient number, since it is larger than the sum of its proper divisors (1).

435997 is an equidigital number, since it uses as much as digits as its factorization.

435997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 37.

The square root of 435997 is about 660.3006890804. The cubic root of 435997 is about 75.8276913512.

The spelling of 435997 in words is "four hundred thirty-five thousand, nine hundred ninety-seven".