1413125531 has 4 divisors (see below), whose sum is σ = 1413597864. Its totient is φ = 1412653200.

The previous prime is 1413125509. The next prime is 1413125537. The reversal of 1413125531 is 1355213141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1355213141 = 12011 ⋅112831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1413125531 is a prime.

It is a super-2 number, since 2×1413125531² = 3993847532728063922, which contains 22 as substring.

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 1413125531.

It is not an unprimeable number, because it can be changed into a prime (1413125537) 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, 231650 + ... + 237671.

It is an arithmetic number, because the mean of its divisors is an integer number (353399466).

Almost surely, 2^1413125531 is an apocalyptic number.

1413125531 is a deficient number, since it is larger than the sum of its proper divisors (472333).

1413125531 is an equidigital number, since it uses as much as digits as its factorization.

1413125531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472332.

The product of its digits is 1800, while the sum is 26.

The square root of 1413125531 is about 37591.5619654198. The cubic root of 1413125531 is about 1122.1741174321.

Adding to 1413125531 its reverse (1355213141), we get a palindrome (2768338672).

The spelling of 1413125531 in words is "one billion, four hundred thirteen million, one hundred twenty-five thousand, five hundred thirty-one".