1025512267 has 16 divisors (see below), whose sum is σ = 1177932672. Its totient is φ = 884413440.

The previous prime is 1025512207. The next prime is 1025512273. The reversal of 1025512267 is 7622155201.

It is not a de Polignac number, because 1025512267 - 2¹¹ = 1025510219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025512207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13342 + ... + 47212.

It is an arithmetic number, because the mean of its divisors is an integer number (73620792).

Almost surely, 2^1025512267 is an apocalyptic number.

1025512267 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1025512267 is a deficient number, since it is larger than the sum of its proper divisors (152420405).

1025512267 is a wasteful number, since it uses less digits than its factorization.

1025512267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34038.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1025512267 is about 32023.6204542834. The cubic root of 1025512267 is about 1008.4327773759.

Adding to 1025512267 its reverse (7622155201), we get a palindrome (8647667468).

It can be divided in two parts, 10255 and 12267, that added together give a palindrome (22522).

The spelling of 1025512267 in words is "one billion, twenty-five million, five hundred twelve thousand, two hundred sixty-seven".