420600461 has 8 divisors (see below), whose sum is σ = 426985464. Its totient is φ = 414259200.

The previous prime is 420600457. The next prime is 420600469. The reversal of 420600461 is 164006024.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 193043236 + 227557225 = 13894^2 + 15085^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 420600461 - 2² = 420600457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420600469) 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, 8705 + ... + 30281.

It is an arithmetic number, because the mean of its divisors is an integer number (53373183).

Almost surely, 2^420600461 is an apocalyptic number.

It is an amenable number.

420600461 is a deficient number, since it is larger than the sum of its proper divisors (6385003).

420600461 is a wasteful number, since it uses less digits than its factorization.

420600461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21871.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 420600461 is about 20508.5460479284. The cubic root of 420600461 is about 749.2439557485.

Adding to 420600461 its reverse (164006024), we get a palindrome (584606485).

The spelling of 420600461 in words is "four hundred twenty million, six hundred thousand, four hundred sixty-one".