2541626506 has 4 divisors (see below), whose sum is σ = 3812439762. Its totient is φ = 1270813252.

The previous prime is 2541626491. The next prime is 2541626513. The reversal of 2541626506 is 6056261452.

2541626506 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 can be written as a sum of positive squares in only one way, i.e., 2264903281 + 276723225 = 47591^2 + 16635^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635406625 + ... + 635406628.

Almost surely, 2^2541626506 is an apocalyptic number.

2541626506 is a deficient number, since it is larger than the sum of its proper divisors (1270813256).

2541626506 is a wasteful number, since it uses less digits than its factorization.

2541626506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270813255.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2541626506 is about 50414.5465714014. The cubic root of 2541626506 is about 1364.7001637625.

Adding to 2541626506 its reverse (6056261452), we get a palindrome (8597887958).

The spelling of 2541626506 in words is "two billion, five hundred forty-one million, six hundred twenty-six thousand, five hundred six".