1325775634 has 16 divisors (see below), whose sum is σ = 2108555928. Its totient is φ = 623031552.

The previous prime is 1325775599. The next prime is 1325775641. The reversal of 1325775634 is 4365775231.

It can be written as a sum of positive squares in 4 ways, for example, as 1285007409 + 40768225 = 35847^2 + 6385^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1677 + ... + 51520.

Almost surely, 2^1325775634 is an apocalyptic number.

1325775634 is a deficient number, since it is larger than the sum of its proper divisors (782780294).

1325775634 is a wasteful number, since it uses less digits than its factorization.

1325775634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53949.

The product of its digits is 529200, while the sum is 43.

The square root of 1325775634 is about 36411.2020400316. The cubic root of 1325775634 is about 1098.5588935518.

The spelling of 1325775634 in words is "one billion, three hundred twenty-five million, seven hundred seventy-five thousand, six hundred thirty-four".