2541771906 has 32 divisors (see below), whose sum is σ = 5447945088. Its totient is φ = 788515200.

The previous prime is 2541771899. The next prime is 2541771913. The reversal of 2541771906 is 6091771452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2541771899) and next prime (2541771913).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243795 + ... + 254006.

It is an arithmetic number, because the mean of its divisors is an integer number (170248284).

Almost surely, 2^2541771906 is an apocalyptic number.

2541771906 is an abundant number, since it is smaller than the sum of its proper divisors (2906173182).

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

2541771906 is a wasteful number, since it uses less digits than its factorization.

2541771906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497866.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 2541771906 is about 50415.9885948892. The cubic root of 2541771906 is about 1364.7261869435.

The spelling of 2541771906 in words is "two billion, five hundred forty-one million, seven hundred seventy-one thousand, nine hundred six".