2625145 has 4 divisors (see below), whose sum is σ = 3150180. Its totient is φ = 2100112.

The previous prime is 2625137. The next prime is 2625149. The reversal of 2625145 is 5415262.

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

It can be written as a sum of positive squares in 2 ways, for example, as 767376 + 1857769 = 876^2 + 1363^2 .

It is a cyclic number.

It is not a de Polignac number, because 2625145 - 2³ = 2625137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2625149) 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, 262510 + ... + 262519.

It is an arithmetic number, because the mean of its divisors is an integer number (787545).

2^2625145 is an apocalyptic number.

It is an amenable number.

2625145 is a deficient number, since it is larger than the sum of its proper divisors (525035).

2625145 is an equidigital number, since it uses as much as digits as its factorization.

2625145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525034.

The product of its digits is 2400, while the sum is 25.

The square root of 2625145 is about 1620.2299219555. The cubic root of 2625145 is about 137.9487487342.

The spelling of 2625145 in words is "two million, six hundred twenty-five thousand, one hundred forty-five".