1264062825 has 36 divisors (see below), whose sum is σ = 2274056460. Its totient is φ = 671195520.

The previous prime is 1264062781. The next prime is 1264062887. The reversal of 1264062825 is 5282604621.

It is a happy number.

1264062825 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 0 + 628 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 53231616 + 1210831209 = 7296^2 + 34797^2 .

It is not a de Polignac number, because 1264062825 - 2¹⁰ = 1264061801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1264062825.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 39259 + ... + 63791.

It is an arithmetic number, because the mean of its divisors is an integer number (63168235).

Almost surely, 2^1264062825 is an apocalyptic number.

1264062825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1264062825 is a deficient number, since it is larger than the sum of its proper divisors (1009993635).

1264062825 is a wasteful number, since it uses less digits than its factorization.

1264062825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24778 (or 24770 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 1264062825 is about 35553.6612038760. The cubic root of 1264062825 is about 1081.2419483290.

The spelling of 1264062825 in words is "one billion, two hundred sixty-four million, sixty-two thousand, eight hundred twenty-five".