414961621 has 2 divisors, whose sum is σ = 414961622. Its totient is φ = 414961620.

The previous prime is 414961553. The next prime is 414961639. The reversal of 414961621 is 126169414.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270240721 + 144720900 = 16439^2 + 12030^2 .

It is a cyclic number.

It is not a de Polignac number, because 414961621 - 2²¹ = 412864469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (414961661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207480810 + 207480811.

It is an arithmetic number, because the mean of its divisors is an integer number (207480811).

Almost surely, 2^414961621 is an apocalyptic number.

It is an amenable number.

414961621 is a deficient number, since it is larger than the sum of its proper divisors (1).

414961621 is an equidigital number, since it uses as much as digits as its factorization.

414961621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 414961621 is about 20370.6067901769. The cubic root of 414961621 is about 745.8805982787.

The spelling of 414961621 in words is "four hundred fourteen million, nine hundred sixty-one thousand, six hundred twenty-one".