2521025512 has 8 divisors (see below), whose sum is σ = 4726922850. Its totient is φ = 1260512752.

The previous prime is 2521025509. The next prime is 2521025513. The reversal of 2521025512 is 2155201252.

2521025512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1743396516 + 777628996 = 41754^2 + 27886^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2521025513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157564087 + ... + 157564102.

Almost surely, 2^2521025512 is an apocalyptic number.

It is an amenable number.

2521025512 is a deficient number, since it is larger than the sum of its proper divisors (2205897338).

2521025512 is a wasteful number, since it uses less digits than its factorization.

2521025512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315128195 (or 315128191 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2521025512 is about 50209.8148970896. The cubic root of 2521025512 is about 1361.0029928152.

Adding to 2521025512 its reverse (2155201252), we get a palindrome (4676226764).

The spelling of 2521025512 in words is "two billion, five hundred twenty-one million, twenty-five thousand, five hundred twelve".