2545420 has 12 divisors (see below), whose sum is σ = 5345424. Its totient is φ = 1018160.

The previous prime is 2545369. The next prime is 2545429. The reversal of 2545420 is 245452.

2545420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2545391 and 2545400.

It is not an unprimeable number, because it can be changed into a prime (2545429) 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 in 3 ways as a sum of consecutive naturals, for example, 63616 + ... + 63655.

It is an arithmetic number, because the mean of its divisors is an integer number (445452).

2^2545420 is an apocalyptic number.

2545420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545420 is an abundant number, since it is smaller than the sum of its proper divisors (2800004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545420 is a wasteful number, since it uses less digits than its factorization.

2545420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127280 (or 127278 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2545420 is about 1595.4372441434. The cubic root of 2545420 is about 136.5378785422.

Subtracting from 2545420 its reverse (245452), we obtain a cube (2299968 = 132³).

The spelling of 2545420 in words is "two million, five hundred forty-five thousand, four hundred twenty".