2545959 has 16 divisors (see below), whose sum is σ = 3698912. Its totient is φ = 1548288.

The previous prime is 2545927. The next prime is 2545967. The reversal of 2545959 is 9595452.

It is not a de Polignac number, because 2545959 - 2⁵ = 2545927 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3447 + ... + 4119.

It is an arithmetic number, because the mean of its divisors is an integer number (231182).

2^2545959 is an apocalyptic number.

2545959 is a deficient number, since it is larger than the sum of its proper divisors (1152953).

2545959 is a wasteful number, since it uses less digits than its factorization.

2545959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786.

The product of its digits is 81000, while the sum is 39.

The square root of 2545959 is about 1595.6061544128. The cubic root of 2545959 is about 136.5475152914.

The spelling of 2545959 in words is "two million, five hundred forty-five thousand, nine hundred fifty-nine".