1025166235 has 16 divisors (see below), whose sum is σ = 1286648064. Its totient is φ = 782665312.

The previous prime is 1025166221. The next prime is 1025166239. The reversal of 1025166235 is 5326615201.

It is a cyclic number.

It is not a de Polignac number, because 1025166235 - 2⁵ = 1025166203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025166197 and 1025166206.

It is not an unprimeable number, because it can be changed into a prime (1025166239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40884 + ... + 61006.

It is an arithmetic number, because the mean of its divisors is an integer number (80415504).

Almost surely, 2^1025166235 is an apocalyptic number.

1025166235 is a deficient number, since it is larger than the sum of its proper divisors (261481829).

1025166235 is a wasteful number, since it uses less digits than its factorization.

1025166235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20594.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1025166235 is about 32018.2172364421. The cubic root of 1025166235 is about 1008.3193416237.

The spelling of 1025166235 in words is "one billion, twenty-five million, one hundred sixty-six thousand, two hundred thirty-five".