45861131 has 2 divisors, whose sum is σ = 45861132. Its totient is φ = 45861130.

The previous prime is 45861119. The next prime is 45861133. The reversal of 45861131 is 13116854.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45861131 is a prime.

It is a super-3 number, since 3×45861131³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 45861133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45861094 and 45861103.

It is not a weakly prime, because it can be changed into another prime (45861133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22930565 + 22930566.

It is an arithmetic number, because the mean of its divisors is an integer number (22930566).

Almost surely, 2^45861131 is an apocalyptic number.

45861131 is a deficient number, since it is larger than the sum of its proper divisors (1).

45861131 is an equidigital number, since it uses as much as digits as its factorization.

45861131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 45861131 is about 6772.0846864167. The cubic root of 45861131 is about 357.9438625916.

Adding to 45861131 its reverse (13116854), we get a palindrome (58977985).

The spelling of 45861131 in words is "forty-five million, eight hundred sixty-one thousand, one hundred thirty-one".