2507623 has 4 divisors (see below), whose sum is σ = 2542048. Its totient is φ = 2473200.

The previous prime is 2507597. The next prime is 2507627. The reversal of 2507623 is 3267052.

2507623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2507623 is a prime.

It is a super-2 number, since 2×2507623² = 12576346220258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹¹ + 5³ + 0 + 7⁷ + 6⁸ + 2¹¹ + 3⁵ .

It is a Duffinian number.

2507623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2507627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17103 + ... + 17248.

It is an arithmetic number, because the mean of its divisors is an integer number (635512).

2^2507623 is an apocalyptic number.

2507623 is a deficient number, since it is larger than the sum of its proper divisors (34425).

2507623 is an equidigital number, since it uses as much as digits as its factorization.

2507623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34424.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2507623 is about 1583.5475995372. The cubic root of 2507623 is about 135.8586875610.

The spelling of 2507623 in words is "two million, five hundred seven thousand, six hundred twenty-three".