421179053 has 8 divisors (see below), whose sum is σ = 425306808. Its totient is φ = 417071104.

The previous prime is 421179007. The next prime is 421179089. The reversal of 421179053 is 350971124.

It can be written as a sum of positive squares in 4 ways, for example, as 385022884 + 36156169 = 19622^2 + 6013^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421179053 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 (421179653) 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, 39725 + ... + 49197.

It is an arithmetic number, because the mean of its divisors is an integer number (53163351).

Almost surely, 2^421179053 is an apocalyptic number.

It is an amenable number.

421179053 is a deficient number, since it is larger than the sum of its proper divisors (4127755).

421179053 is a wasteful number, since it uses less digits than its factorization.

421179053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9903.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 421179053 is about 20522.6473194859. The cubic root of 421179053 is about 749.5873599755.

The spelling of 421179053 in words is "four hundred twenty-one million, one hundred seventy-nine thousand, fifty-three".