10204819 has 2 divisors, whose sum is σ = 10204820. Its totient is φ = 10204818.

The previous prime is 10204807. The next prime is 10204823. The reversal of 10204819 is 91840201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10204819 - 2²³ = 1816211 is a prime.

It is a super-2 number, since 2×10204819² = 208276661645522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10204793 and 10204802.

It is not a weakly prime, because it can be changed into another prime (10204219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102409 + 5102410.

It is an arithmetic number, because the mean of its divisors is an integer number (5102410).

Almost surely, 2^10204819 is an apocalyptic number.

10204819 is a deficient number, since it is larger than the sum of its proper divisors (1).

10204819 is an equidigital number, since it uses as much as digits as its factorization.

10204819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 10204819 is about 3194.4982391606. The cubic root of 10204819 is about 216.9044366746.

The spelling of 10204819 in words is "ten million, two hundred four thousand, eight hundred nineteen".