2564462571 has 8 divisors (see below), whose sum is σ = 3730127424. Its totient is φ = 1554219720.

The previous prime is 2564462543. The next prime is 2564462581. The reversal of 2564462571 is 1752644652.

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

It is not a de Polignac number, because 2564462571 - 2¹⁴ = 2564446187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2564462581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38855461 + ... + 38855526.

It is an arithmetic number, because the mean of its divisors is an integer number (466265928).

Almost surely, 2^2564462571 is an apocalyptic number.

2564462571 is a deficient number, since it is larger than the sum of its proper divisors (1165664853).

2564462571 is a wasteful number, since it uses less digits than its factorization.

2564462571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77711001.

The product of its digits is 403200, while the sum is 42.

The square root of 2564462571 is about 50640.5230127020. The cubic root of 2564462571 is about 1368.7751801877.

The spelling of 2564462571 in words is "two billion, five hundred sixty-four million, four hundred sixty-two thousand, five hundred seventy-one".