420362653 has 2 divisors, whose sum is σ = 420362654. Its totient is φ = 420362652.

The previous prime is 420362647. The next prime is 420362687. The reversal of 420362653 is 356263024.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316057284 + 104305369 = 17778^2 + 10213^2 .

It is a cyclic number.

It is not a de Polignac number, because 420362653 - 2²⁵ = 386808221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420362603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210181326 + 210181327.

It is an arithmetic number, because the mean of its divisors is an integer number (210181327).

Almost surely, 2^420362653 is an apocalyptic number.

It is an amenable number.

420362653 is a deficient number, since it is larger than the sum of its proper divisors (1).

420362653 is an equidigital number, since it uses as much as digits as its factorization.

420362653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 420362653 is about 20502.7474500370. The cubic root of 420362653 is about 749.1027213198.

The spelling of 420362653 in words is "four hundred twenty million, three hundred sixty-two thousand, six hundred fifty-three".