470151021 has 4 divisors (see below), whose sum is σ = 626868032. Its totient is φ = 313434012.

The previous prime is 470151007. The next prime is 470151047. The reversal of 470151021 is 120151074.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 470151021 - 2⁶ = 470150957 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 (470151091) 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 3 ways as a sum of consecutive naturals, for example, 78358501 + ... + 78358506.

It is an arithmetic number, because the mean of its divisors is an integer number (156717008).

Almost surely, 2^470151021 is an apocalyptic number.

It is an amenable number.

470151021 is a deficient number, since it is larger than the sum of its proper divisors (156717011).

470151021 is a wasteful number, since it uses less digits than its factorization.

470151021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156717010.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 470151021 is about 21682.9661485692. The cubic root of 470151021 is about 777.5812763675.

The spelling of 470151021 in words is "four hundred seventy million, one hundred fifty-one thousand, twenty-one".