414528421 has 2 divisors, whose sum is σ = 414528422. Its totient is φ = 414528420.

The previous prime is 414528419. The next prime is 414528431. The reversal of 414528421 is 124825414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240684196 + 173844225 = 15514^2 + 13185^2 .

It is a cyclic number.

It is not a de Polignac number, because 414528421 - 2¹ = 414528419 is a prime.

Together with 414528419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (414528431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207264210 + 207264211.

It is an arithmetic number, because the mean of its divisors is an integer number (207264211).

Almost surely, 2^414528421 is an apocalyptic number.

It is an amenable number.

414528421 is a deficient number, since it is larger than the sum of its proper divisors (1).

414528421 is an equidigital number, since it uses as much as digits as its factorization.

414528421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10240, while the sum is 31.

The square root of 414528421 is about 20359.9710461484. The cubic root of 414528421 is about 745.6209533999.

The spelling of 414528421 in words is "four hundred fourteen million, five hundred twenty-eight thousand, four hundred twenty-one".