2545129 has 4 divisors (see below), whose sum is σ = 2583184. Its totient is φ = 2507076.

The previous prime is 2545117. The next prime is 2545141. The reversal of 2545129 is 9215452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2545117) and next prime (2545141).

It is a cyclic number.

It is not a de Polignac number, because 2545129 - 2⁷ = 2545001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2545097 and 2545106.

It is not an unprimeable number, because it can be changed into a prime (2545159) 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 in 3 ways as a sum of consecutive naturals, for example, 18927 + ... + 19060.

It is an arithmetic number, because the mean of its divisors is an integer number (645796).

2^2545129 is an apocalyptic number.

It is an amenable number.

2545129 is a deficient number, since it is larger than the sum of its proper divisors (38055).

2545129 is an equidigital number, since it uses as much as digits as its factorization.

2545129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38054.

The product of its digits is 3600, while the sum is 28.

The square root of 2545129 is about 1595.3460439666. The cubic root of 2545129 is about 136.5326752048.

It can be divided in two parts, 25 and 45129, that added together give a palindrome (45154).

The spelling of 2545129 in words is "two million, five hundred forty-five thousand, one hundred twenty-nine".