25354019 has 2 divisors, whose sum is σ = 25354020. Its totient is φ = 25354018.

The previous prime is 25353983. The next prime is 25354039. The reversal of 25354019 is 91045352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25354019 - 2²⁰ = 24305443 is a prime.

It is a super-2 number, since 2×25354019² = 1285652558904722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 25353982 and 25354000.

It is not a weakly prime, because it can be changed into another prime (25354039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12677009 + 12677010.

It is an arithmetic number, because the mean of its divisors is an integer number (12677010).

Almost surely, 2^25354019 is an apocalyptic number.

25354019 is a deficient number, since it is larger than the sum of its proper divisors (1).

25354019 is an equidigital number, since it uses as much as digits as its factorization.

25354019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 25354019 is about 5035.2774501511. The cubic root of 25354019 is about 293.7755201006.

The spelling of 25354019 in words is "twenty-five million, three hundred fifty-four thousand, nineteen".