641419 has 2 divisors, whose sum is σ = 641420. Its totient is φ = 641418.

The previous prime is 641413. The next prime is 641437. The reversal of 641419 is 914146.

641419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 641419 - 2³ = 641411 is a prime.

It is a super-2 number, since 2×641419² = 822836667122, which contains 22 as substring.

641419 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 641393 and 641402.

It is not a weakly prime, because it can be changed into another prime (641411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320709 + 320710.

It is an arithmetic number, because the mean of its divisors is an integer number (320710).

2⁶⁴¹⁴¹⁹ is an apocalyptic number.

641419 is a deficient number, since it is larger than the sum of its proper divisors (1).

641419 is an equidigital number, since it uses as much as digits as its factorization.

641419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 641419 is about 800.8863839522. The cubic root of 641419 is about 86.2410310635.

The spelling of 641419 in words is "six hundred forty-one thousand, four hundred nineteen".