2541616245 has 64 divisors (see below), whose sum is σ = 5175152640. Its totient is φ = 1159354944.

The previous prime is 2541616241. The next prime is 2541616277. The reversal of 2541616245 is 5426161452.

2541616245 is a `hidden beast` number, since 25 + 4 + 1 + 6 + 1 + 624 + 5 = 666.

It is not a de Polignac number, because 2541616245 - 2² = 2541616241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541616241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 472662 + ... + 478008.

It is an arithmetic number, because the mean of its divisors is an integer number (80861760).

Almost surely, 2^2541616245 is an apocalyptic number.

It is an amenable number.

2541616245 is an abundant number, since it is smaller than the sum of its proper divisors (2633536395).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2541616245 is a wasteful number, since it uses less digits than its factorization.

2541616245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5871 (or 5865 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 2541616245 is about 50414.4448050358. Note that the first 3 decimals coincide. The cubic root of 2541616245 is about 1364.6983272473.

Adding to 2541616245 its reverse (5426161452), we get a palindrome (7967777697).

The spelling of 2541616245 in words is "two billion, five hundred forty-one million, six hundred sixteen thousand, two hundred forty-five".