471021349 has 2 divisors, whose sum is σ = 471021350. Its totient is φ = 471021348.

The previous prime is 471021311. The next prime is 471021371. The reversal of 471021349 is 943120174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386712225 + 84309124 = 19665^2 + 9182^2 .

It is a cyclic number.

It is not a de Polignac number, because 471021349 - 2²⁵ = 437466917 is a prime.

It is a super-2 number, since 2×471021349² = 443722222427559602, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 471021349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471021389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235510674 + 235510675.

It is an arithmetic number, because the mean of its divisors is an integer number (235510675).

Almost surely, 2^471021349 is an apocalyptic number.

It is an amenable number.

471021349 is a deficient number, since it is larger than the sum of its proper divisors (1).

471021349 is an equidigital number, since it uses as much as digits as its factorization.

471021349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 471021349 is about 21703.0262636343. The cubic root of 471021349 is about 778.0607915041.

The spelling of 471021349 in words is "four hundred seventy-one million, twenty-one thousand, three hundred forty-nine".