2545512 has 48 divisors (see below), whose sum is σ = 6778560. Its totient is φ = 796416.

The previous prime is 2545493. The next prime is 2545513. The reversal of 2545512 is 2155452.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2545513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6753 + ... + 7119.

It is an arithmetic number, because the mean of its divisors is an integer number (141220).

2^2545512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3389280).

2545512 is an abundant number, since it is smaller than the sum of its proper divisors (4233048).

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

2545512 is a wasteful number, since it uses less digits than its factorization.

2545512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 389 counting only the distinct ones).

The product of its digits is 2000, while the sum is 24.

The square root of 2545512 is about 1595.4660761044. The cubic root of 2545512 is about 136.5395235010.

The spelling of 2545512 in words is "two million, five hundred forty-five thousand, five hundred twelve".