1025665348 has 24 divisors (see below), whose sum is σ = 1856574720. Its totient is φ = 495458880.

The previous prime is 1025665337. The next prime is 1025665357. The reversal of 1025665348 is 8435665201.

It is a super-2 number, since 2×1025665348² = 2103978812175922208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1025665348.

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 7 ways as a sum of consecutive naturals, for example, 13468 + ... + 47251.

It is an arithmetic number, because the mean of its divisors is an integer number (77357280).

Almost surely, 2^1025665348 is an apocalyptic number.

It is an amenable number.

1025665348 is a deficient number, since it is larger than the sum of its proper divisors (830909372).

1025665348 is a wasteful number, since it uses less digits than its factorization.

1025665348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60867 (or 60865 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 1025665348 is about 32026.0104914740. The cubic root of 1025665348 is about 1008.4829520455.

The spelling of 1025665348 in words is "one billion, twenty-five million, six hundred sixty-five thousand, three hundred forty-eight".