420414653 has 32 divisors (see below), whose sum is σ = 478617600. Its totient is φ = 367416000.

The previous prime is 420414611. The next prime is 420414667. The reversal of 420414653 is 356414024.

It is a cyclic number.

It is not a de Polignac number, because 420414653 - 2¹⁴ = 420398269 is a prime.

It is a super-2 number, since 2×420414653² = 353496960914220818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420411653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2579150 + ... + 2579312.

It is an arithmetic number, because the mean of its divisors is an integer number (14956800).

Almost surely, 2^420414653 is an apocalyptic number.

It is an amenable number.

420414653 is a deficient number, since it is larger than the sum of its proper divisors (58202947).

420414653 is a wasteful number, since it uses less digits than its factorization.

420414653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 420414653 is about 20504.0155335485. The cubic root of 420414653 is about 749.1336087255.

Adding to 420414653 its reverse (356414024), we get a palindrome (776828677).

The spelling of 420414653 in words is "four hundred twenty million, four hundred fourteen thousand, six hundred fifty-three".