421262051 has 8 divisors (see below), whose sum is σ = 482757120. Its totient is φ = 360095688.

The previous prime is 421262047. The next prime is 421262063. The reversal of 421262051 is 150262124.

It is a happy number.

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 421262051 - 2² = 421262047 is a prime.

It is a super-2 number, since 2×421262051² = 354923431225453202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421262041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79421 + ... + 84558.

It is an arithmetic number, because the mean of its divisors is an integer number (60344640).

Almost surely, 2^421262051 is an apocalyptic number.

421262051 is a deficient number, since it is larger than the sum of its proper divisors (61495069).

421262051 is a wasteful number, since it uses less digits than its factorization.

421262051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164353.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 421262051 is about 20524.6693274216. The cubic root of 421262051 is about 749.6365949071.

The spelling of 421262051 in words is "four hundred twenty-one million, two hundred sixty-two thousand, fifty-one".