60405431 has 2 divisors, whose sum is σ = 60405432. Its totient is φ = 60405430.

The previous prime is 60405407. The next prime is 60405461. The reversal of 60405431 is 13450406.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60405431 is a prime.

It is a super-2 number, since 2×60405431² = 7297632188591522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 60405397 and 60405406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60405461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30202715 + 30202716.

It is an arithmetic number, because the mean of its divisors is an integer number (30202716).

Almost surely, 2^60405431 is an apocalyptic number.

60405431 is a deficient number, since it is larger than the sum of its proper divisors (1).

60405431 is an equidigital number, since it uses as much as digits as its factorization.

60405431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 60405431 is about 7772.0930900241. The cubic root of 60405431 is about 392.3665680297.

Adding to 60405431 its reverse (13450406), we get a palindrome (73855837).

The spelling of 60405431 in words is "sixty million, four hundred five thousand, four hundred thirty-one".