410140421 has 2 divisors, whose sum is σ = 410140422. Its totient is φ = 410140420.

The previous prime is 410140411. The next prime is 410140427. The reversal of 410140421 is 124041014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377524900 + 32615521 = 19430^2 + 5711^2 .

It is a cyclic number.

It is not a de Polignac number, because 410140421 - 2¹⁸ = 409878277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 410140421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (410140427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205070210 + 205070211.

It is an arithmetic number, because the mean of its divisors is an integer number (205070211).

Almost surely, 2^410140421 is an apocalyptic number.

It is an amenable number.

410140421 is a deficient number, since it is larger than the sum of its proper divisors (1).

410140421 is an equidigital number, since it uses as much as digits as its factorization.

410140421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 410140421 is about 20251.9238839178. The cubic root of 410140421 is about 742.9806859950.

Adding to 410140421 its reverse (124041014), we get a palindrome (534181435).

The spelling of 410140421 in words is "four hundred ten million, one hundred forty thousand, four hundred twenty-one".