1348525831 has 4 divisors (see below), whose sum is σ = 1356320952. Its totient is φ = 1340730712.

The previous prime is 1348525819. The next prime is 1348525837. The reversal of 1348525831 is 1385258431.

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

It is a cyclic number.

It is not a de Polignac number, because 1348525831 - 2²⁷ = 1214308103 is a prime.

It is a super-2 number, since 2×1348525831² = 3637043833748481122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348525837) 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, 3897301 + ... + 3897646.

It is an arithmetic number, because the mean of its divisors is an integer number (339080238).

Almost surely, 2^1348525831 is an apocalyptic number.

1348525831 is a deficient number, since it is larger than the sum of its proper divisors (7795121).

1348525831 is an equidigital number, since it uses as much as digits as its factorization.

1348525831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7795120.

The product of its digits is 115200, while the sum is 40.

The square root of 1348525831 is about 36722.2797631084. The cubic root of 1348525831 is about 1104.8070152935.

The spelling of 1348525831 in words is "one billion, three hundred forty-eight million, five hundred twenty-five thousand, eight hundred thirty-one".