2519969 has 2 divisors, whose sum is σ = 2519970. Its totient is φ = 2519968.

The previous prime is 2519953. The next prime is 2519977. The reversal of 2519969 is 9699152.

2519969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2512225 + 7744 = 1585^2 + 88^2 .

It is a cyclic number.

It is not a de Polignac number, because 2519969 - 2⁴ = 2519953 is a prime.

It is a super-2 number, since 2×2519969² = 12700487521922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2519939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1259984 + 1259985.

It is an arithmetic number, because the mean of its divisors is an integer number (1259985).

2^2519969 is an apocalyptic number.

It is an amenable number.

2519969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2519969 is an equidigital number, since it uses as much as digits as its factorization.

2519969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 41.

The square root of 2519969 is about 1587.4410225265. The cubic root of 2519969 is about 136.0812843092.

The spelling of 2519969 in words is "two million, five hundred nineteen thousand, nine hundred sixty-nine".