1325849894 has 8 divisors (see below), whose sum is σ = 1991822400. Its totient is φ = 661909096.

The previous prime is 1325849891. The next prime is 1325849911. The reversal of 1325849894 is 4989485231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1325849894² = 3515755882839622472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325849891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506294 + ... + 508905.

It is an arithmetic number, because the mean of its divisors is an integer number (248977800).

Almost surely, 2^1325849894 is an apocalyptic number.

1325849894 is a deficient number, since it is larger than the sum of its proper divisors (665972506).

1325849894 is a wasteful number, since it uses less digits than its factorization.

1325849894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015854.

The product of its digits is 2488320, while the sum is 53.

The square root of 1325849894 is about 36412.2217668738. The cubic root of 1325849894 is about 1098.5794041768.

The spelling of 1325849894 in words is "one billion, three hundred twenty-five million, eight hundred forty-nine thousand, eight hundred ninety-four".