1078525257 has 16 divisors (see below), whose sum is σ = 1454668800. Its totient is φ = 710725392.

The previous prime is 1078525241. The next prime is 1078525267. The reversal of 1078525257 is 7525258701.

It is not a de Polignac number, because 1078525257 - 2⁴ = 1078525241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1078525207) 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, 182178 + ... + 188004.

It is an arithmetic number, because the mean of its divisors is an integer number (90916800).

Almost surely, 2^1078525257 is an apocalyptic number.

It is an amenable number.

1078525257 is a deficient number, since it is larger than the sum of its proper divisors (376143543).

1078525257 is a wasteful number, since it uses less digits than its factorization.

1078525257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6532.

The product of its (nonzero) digits is 196000, while the sum is 42.

The square root of 1078525257 is about 32840.9082852469. The cubic root of 1078525257 is about 1025.5183599024.

The spelling of 1078525257 in words is "one billion, seventy-eight million, five hundred twenty-five thousand, two hundred fifty-seven".