420513215 has 8 divisors (see below), whose sum is σ = 511528848. Its totient is φ = 331801920.

The previous prime is 420513193. The next prime is 420513217. The reversal of 420513215 is 512315024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420513215 - 2¹⁴ = 420496831 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 (420513217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575681 + ... + 576410.

It is an arithmetic number, because the mean of its divisors is an integer number (63941106).

Almost surely, 2^420513215 is an apocalyptic number.

420513215 is a deficient number, since it is larger than the sum of its proper divisors (91015633).

420513215 is a wasteful number, since it uses less digits than its factorization.

420513215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152169.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 420513215 is about 20506.4188731236. The cubic root of 420513215 is about 749.1921464389.

Adding to 420513215 its reverse (512315024), we get a palindrome (932828239).

The spelling of 420513215 in words is "four hundred twenty million, five hundred thirteen thousand, two hundred fifteen".