1012566525 has 24 divisors (see below), whose sum is σ = 1762223520. Its totient is φ = 511611840.

The previous prime is 1012566521. The next prime is 1012566539. The reversal of 1012566525 is 5256652101.

It is not a de Polignac number, because 1012566525 - 2² = 1012566521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012566521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353862 + ... + 356711.

It is an arithmetic number, because the mean of its divisors is an integer number (73425980).

Almost surely, 2^1012566525 is an apocalyptic number.

1012566525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012566525 is a deficient number, since it is larger than the sum of its proper divisors (749656995).

1012566525 is a wasteful number, since it uses less digits than its factorization.

1012566525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710605 (or 710600 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 1012566525 is about 31820.8504757494. The cubic root of 1012566525 is about 1004.1714167537.

The spelling of 1012566525 in words is "one billion, twelve million, five hundred sixty-six thousand, five hundred twenty-five".