1313025533 has 8 divisors (see below), whose sum is σ = 1415843520. Its totient is φ = 1213578720.

The previous prime is 1313025529. The next prime is 1313025557. The reversal of 1313025533 is 3355203131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313025533 - 2² = 1313025529 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313025433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841985 + ... + 843542.

It is an arithmetic number, because the mean of its divisors is an integer number (176980440).

Almost surely, 2^1313025533 is an apocalyptic number.

It is an amenable number.

1313025533 is a deficient number, since it is larger than the sum of its proper divisors (102817987).

1313025533 is a wasteful number, since it uses less digits than its factorization.

1313025533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685587.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 1313025533 is about 36235.6941840501. The cubic root of 1313025533 is about 1095.0258976521.

Adding to 1313025533 its reverse (3355203131), we get a palindrome (4668228664).

The spelling of 1313025533 in words is "one billion, three hundred thirteen million, twenty-five thousand, five hundred thirty-three".