65031541 has 2 divisors, whose sum is σ = 65031542. Its totient is φ = 65031540.

The previous prime is 65031487. The next prime is 65031553. The reversal of 65031541 is 14513056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49984900 + 15046641 = 7070^2 + 3879^2 .

It is a cyclic number.

It is not a de Polignac number, because 65031541 - 2¹¹ = 65029493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65031581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32515770 + 32515771.

It is an arithmetic number, because the mean of its divisors is an integer number (32515771).

Almost surely, 2^65031541 is an apocalyptic number.

It is an amenable number.

65031541 is a deficient number, since it is larger than the sum of its proper divisors (1).

65031541 is an equidigital number, since it uses as much as digits as its factorization.

65031541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 65031541 is about 8064.2136008417. The cubic root of 65031541 is about 402.1376000661.

Adding to 65031541 its reverse (14513056), we get a palindrome (79544597).

The spelling of 65031541 in words is "sixty-five million, thirty-one thousand, five hundred forty-one".