2541401061 has 16 divisors (see below), whose sum is σ = 3478235904. Its totient is φ = 1649783744.

The previous prime is 2541401021. The next prime is 2541401089. The reversal of 2541401061 is 1601041452.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2541401061 - 2⁶ = 2541400997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541401021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17970 + ... + 73523.

It is an arithmetic number, because the mean of its divisors is an integer number (217389744).

Almost surely, 2^2541401061 is an apocalyptic number.

It is an amenable number.

2541401061 is a deficient number, since it is larger than the sum of its proper divisors (936834843).

2541401061 is a wasteful number, since it uses less digits than its factorization.

2541401061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91740.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2541401061 is about 50412.3106096120. The cubic root of 2541401061 is about 1364.6598124462.

The spelling of 2541401061 in words is "two billion, five hundred forty-one million, four hundred one thousand, sixty-one".