2545419 has 4 divisors (see below), whose sum is σ = 3393896. Its totient is φ = 1696944.

The previous prime is 2545369. The next prime is 2545429. The reversal of 2545419 is 9145452.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2545419 - 2⁸ = 2545163 is a prime.

It is a super-2 number, since 2×2545419² = 12958315771122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424234 + ... + 424239.

It is an arithmetic number, because the mean of its divisors is an integer number (848474).

2^2545419 is an apocalyptic number.

2545419 is a deficient number, since it is larger than the sum of its proper divisors (848477).

2545419 is an equidigital number, since it uses as much as digits as its factorization.

2545419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848476.

The product of its digits is 7200, while the sum is 30.

The square root of 2545419 is about 1595.4369307497. The cubic root of 2545419 is about 136.5378606620.

The spelling of 2545419 in words is "two million, five hundred forty-five thousand, four hundred nineteen".