2542578051 has 8 divisors (see below), whose sum is σ = 3650881360. Its totient is φ = 1564663392.

The previous prime is 2542578041. The next prime is 2542578053. The reversal of 2542578051 is 1508752452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2542578051 - 2⁵ = 2542578019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 65194309 = 2542578051 / (2 + 5 + 4 + 2 + 5 + 7 + 8 + 0 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542578053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32597116 + ... + 32597193.

It is an arithmetic number, because the mean of its divisors is an integer number (456360170).

Almost surely, 2^2542578051 is an apocalyptic number.

2542578051 is a deficient number, since it is larger than the sum of its proper divisors (1108303309).

2542578051 is a wasteful number, since it uses less digits than its factorization.

2542578051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65194325.

The product of its (nonzero) digits is 112000, while the sum is 39.

The square root of 2542578051 is about 50423.9828950471. The cubic root of 2542578051 is about 1364.8704499412.

The spelling of 2542578051 in words is "two billion, five hundred forty-two million, five hundred seventy-eight thousand, fifty-one".