1025506195 has 32 divisors (see below), whose sum is σ = 1455759360. Its totient is φ = 678654720.

The previous prime is 1025506193. The next prime is 1025506201. The reversal of 1025506195 is 5916055201.

It is not a de Polignac number, because 1025506195 - 2¹ = 1025506193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1025506195.

It is not an unprimeable number, because it can be changed into a prime (1025506193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 475239 + ... + 477391.

It is an arithmetic number, because the mean of its divisors is an integer number (45492480).

Almost surely, 2^1025506195 is an apocalyptic number.

1025506195 is a deficient number, since it is larger than the sum of its proper divisors (430253165).

1025506195 is a wasteful number, since it uses less digits than its factorization.

1025506195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635.

The product of its (nonzero) digits is 13500, while the sum is 34.

The square root of 1025506195 is about 32023.5256491224. The cubic root of 1025506195 is about 1008.4307870809.

The spelling of 1025506195 in words is "one billion, twenty-five million, five hundred six thousand, one hundred ninety-five".