1325662479 has 6 divisors (see below), whose sum is σ = 1914845816. Its totient is φ = 883774980.

The previous prime is 1325662463. The next prime is 1325662487. The reversal of 1325662479 is 9742665231.

1325662479 is a `hidden beast` number, since 13 + 2 + 5 + 6 + 624 + 7 + 9 = 666.

It is not a de Polignac number, because 1325662479 - 2⁴ = 1325662463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325662409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73647907 + ... + 73647924.

Almost surely, 2^1325662479 is an apocalyptic number.

1325662479 is a deficient number, since it is larger than the sum of its proper divisors (589183337).

1325662479 is a wasteful number, since it uses less digits than its factorization.

1325662479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147295837 (or 147295834 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 1325662479 is about 36409.6481581462. The cubic root of 1325662479 is about 1098.5276386484.

The spelling of 1325662479 in words is "one billion, three hundred twenty-five million, six hundred sixty-two thousand, four hundred seventy-nine".