2625554 has 4 divisors (see below), whose sum is σ = 3938334. Its totient is φ = 1312776.

The previous prime is 2625551. The next prime is 2625563. The reversal of 2625554 is 4555262.

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

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 600625 = 1423^2 + 775^2 .

It is not an unprimeable number, because it can be changed into a prime (2625551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656387 + ... + 656390.

2^2625554 is an apocalyptic number.

2625554 is a deficient number, since it is larger than the sum of its proper divisors (1312780).

2625554 is a wasteful number, since it uses less digits than its factorization.

2625554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312779.

The product of its digits is 12000, while the sum is 29.

The square root of 2625554 is about 1620.3561336941. The cubic root of 2625554 is about 137.9559125427.

The spelling of 2625554 in words is "two million, six hundred twenty-five thousand, five hundred fifty-four".