1025738264 has 16 divisors (see below), whose sum is σ = 1927281600. Its totient is φ = 511796512.

The previous prime is 1025738249. The next prime is 1025738281. The reversal of 1025738264 is 4628375201.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 130007 + ... + 137670.

It is an arithmetic number, because the mean of its divisors is an integer number (120455100).

Almost surely, 2^1025738264 is an apocalyptic number.

It is an amenable number.

1025738264 is a deficient number, since it is larger than the sum of its proper divisors (901543336).

1025738264 is a wasteful number, since it uses less digits than its factorization.

1025738264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268162 (or 268158 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 1025738264 is about 32027.1488584295. The cubic root of 1025738264 is about 1008.5068496389.

The spelling of 1025738264 in words is "one billion, twenty-five million, seven hundred thirty-eight thousand, two hundred sixty-four".