1651412131 has 2 divisors, whose sum is σ = 1651412132. Its totient is φ = 1651412130.

The previous prime is 1651412089. The next prime is 1651412143. The reversal of 1651412131 is 1312141561.

It is a strong prime.

It is an emirp because it is prime and its reverse (1312141561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1651412131 - 2⁷ = 1651412003 is a prime.

It is a super-2 number, since 2×1651412131² = 5454324052827922322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1651412096 and 1651412105.

It is not a weakly prime, because it can be changed into another prime (1651412731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825706065 + 825706066.

It is an arithmetic number, because the mean of its divisors is an integer number (825706066).

Almost surely, 2^1651412131 is an apocalyptic number.

1651412131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1651412131 is an equidigital number, since it uses as much as digits as its factorization.

1651412131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 25.

The square root of 1651412131 is about 40637.5704367276. The cubic root of 1651412131 is about 1182.0027587561.

Adding to 1651412131 its reverse (1312141561), we get a palindrome (2963553692).

The spelling of 1651412131 in words is "one billion, six hundred fifty-one million, four hundred twelve thousand, one hundred thirty-one".