2515461064 has 8 divisors (see below), whose sum is σ = 4716489510. Its totient is φ = 1257730528.

The previous prime is 2515461031. The next prime is 2515461227. The reversal of 2515461064 is 4601645152.

It can be written as a sum of positive squares in only one way, i.e., 1668068964 + 847392100 = 40842^2 + 29110^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157216309 + ... + 157216324.

Almost surely, 2^2515461064 is an apocalyptic number.

It is an amenable number.

2515461064 is a deficient number, since it is larger than the sum of its proper divisors (2201028446).

2515461064 is a wasteful number, since it uses less digits than its factorization.

2515461064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314432639 (or 314432635 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2515461064 is about 50154.3723318316. The cubic root of 2515461064 is about 1360.0009126291. Note that the first 3 decimals are identical.

The spelling of 2515461064 in words is "two billion, five hundred fifteen million, four hundred sixty-one thousand, sixty-four".