2534178561 has 16 divisors (see below), whose sum is σ = 3617030400. Its totient is φ = 1573404048.

The previous prime is 2534178547. The next prime is 2534178631. The reversal of 2534178561 is 1658714352.

It is a happy number.

It is not a de Polignac number, because 2534178561 - 2⁶ = 2534178497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2534178761) 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, 373411 + ... + 380136.

It is an arithmetic number, because the mean of its divisors is an integer number (226064400).

Almost surely, 2^2534178561 is an apocalyptic number.

It is an amenable number.

2534178561 is a deficient number, since it is larger than the sum of its proper divisors (1082851839).

2534178561 is a wasteful number, since it uses less digits than its factorization.

2534178561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753628.

The product of its digits is 201600, while the sum is 42.

The square root of 2534178561 is about 50340.6253536843. The cubic root of 2534178561 is about 1363.3658270973.

The spelling of 2534178561 in words is "two billion, five hundred thirty-four million, one hundred seventy-eight thousand, five hundred sixty-one".