421307053 has 8 divisors (see below), whose sum is σ = 432010296. Its totient is φ = 410726400.

The previous prime is 421306997. The next prime is 421307059. The reversal of 421307053 is 350703124.

It can be written as a sum of positive squares in 4 ways, for example, as 121947849 + 299359204 = 11043^2 + 17302^2 .

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 421307053 - 2¹³ = 421298861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421307059) 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, 23668 + ... + 37453.

It is an arithmetic number, because the mean of its divisors is an integer number (54001287).

Almost surely, 2^421307053 is an apocalyptic number.

It is an amenable number.

421307053 is a deficient number, since it is larger than the sum of its proper divisors (10703243).

421307053 is a wasteful number, since it uses less digits than its factorization.

421307053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61295.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 421307053 is about 20525.7655886449. The cubic root of 421307053 is about 749.6632876705.

The spelling of 421307053 in words is "four hundred twenty-one million, three hundred seven thousand, fifty-three".