2541626651 has 4 divisors (see below), whose sum is σ = 2541884472. Its totient is φ = 2541368832.

The previous prime is 2541626641. The next prime is 2541626657. The reversal of 2541626651 is 1566261452.

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-2541626651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2541626657) 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, 113510 + ... + 134043.

It is an arithmetic number, because the mean of its divisors is an integer number (635471118).

Almost surely, 2^2541626651 is an apocalyptic number.

2541626651 is a deficient number, since it is larger than the sum of its proper divisors (257821).

2541626651 is a wasteful number, since it uses less digits than its factorization.

2541626651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257820.

The product of its digits is 86400, while the sum is 38.

The square root of 2541626651 is about 50414.5480094784. The cubic root of 2541626651 is about 1364.7001897146.

The spelling of 2541626651 in words is "two billion, five hundred forty-one million, six hundred twenty-six thousand, six hundred fifty-one".