2515774064 has 20 divisors (see below), whose sum is σ = 4919034120. Its totient is φ = 1246345920.

The previous prime is 2515774057. The next prime is 2515774067. The reversal of 2515774064 is 4604775152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515774067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719522 + ... + 723009.

It is an arithmetic number, because the mean of its divisors is an integer number (245951706).

Almost surely, 2^2515774064 is an apocalyptic number.

It is an amenable number.

2515774064 is a deficient number, since it is larger than the sum of its proper divisors (2403260056).

2515774064 is a wasteful number, since it uses less digits than its factorization.

2515774064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442648 (or 1442642 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 2515774064 is about 50157.4926008069. The cubic root of 2515774064 is about 1360.0573188068.

The spelling of 2515774064 in words is "two billion, five hundred fifteen million, seven hundred seventy-four thousand, sixty-four".