2541521763 has 24 divisors (see below), whose sum is σ = 4134014976. Its totient is φ = 1490626800.

The previous prime is 2541521761. The next prime is 2541521767. The reversal of 2541521763 is 3671251452.

2541521763 is a `hidden beast` number, since 2 + 541 + 52 + 1 + 7 + 63 = 666.

It is not a de Polignac number, because 2541521763 - 2¹ = 2541521761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2541521761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410995 + ... + 417132.

It is an arithmetic number, because the mean of its divisors is an integer number (172250624).

Almost surely, 2^2541521763 is an apocalyptic number.

2541521763 is a deficient number, since it is larger than the sum of its proper divisors (1592493213).

2541521763 is a wasteful number, since it uses less digits than its factorization.

2541521763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828175 (or 828172 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 2541521763 is about 50413.5077434610. The cubic root of 2541521763 is about 1364.6814166134.

The spelling of 2541521763 in words is "two billion, five hundred forty-one million, five hundred twenty-one thousand, seven hundred sixty-three".