420615359 has 4 divisors (see below), whose sum is σ = 422134104. Its totient is φ = 419096616.

The previous prime is 420615323. The next prime is 420615401. The reversal of 420615359 is 953516024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420615359 - 2¹⁶ = 420549823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420615659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758957 + ... + 759510.

It is an arithmetic number, because the mean of its divisors is an integer number (105533526).

Almost surely, 2^420615359 is an apocalyptic number.

420615359 is a deficient number, since it is larger than the sum of its proper divisors (1518745).

420615359 is a wasteful number, since it uses less digits than its factorization.

420615359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518744.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 420615359 is about 20508.9092591488. The cubic root of 420615359 is about 749.2528019146.

The spelling of 420615359 in words is "four hundred twenty million, six hundred fifteen thousand, three hundred fifty-nine".