1325227837 has 4 divisors (see below), whose sum is σ = 1326332476. Its totient is φ = 1324123200.

The previous prime is 1325227831. The next prime is 1325227859. The reversal of 1325227837 is 7387225231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 263380441 + 1061847396 = 16229^2 + 32586^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325227837 - 2²⁷ = 1191010109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1325227837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325227831) 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, 550518 + ... + 552919.

It is an arithmetic number, because the mean of its divisors is an integer number (331583119).

Almost surely, 2^1325227837 is an apocalyptic number.

It is an amenable number.

1325227837 is a deficient number, since it is larger than the sum of its proper divisors (1104639).

1325227837 is a wasteful number, since it uses less digits than its factorization.

1325227837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104638.

The product of its digits is 141120, while the sum is 40.

The square root of 1325227837 is about 36403.6788937602. The cubic root of 1325227837 is about 1098.4075682562.

The spelling of 1325227837 in words is "one billion, three hundred twenty-five million, two hundred twenty-seven thousand, eight hundred thirty-seven".