5101961 has 2 divisors, whose sum is σ = 5101962. Its totient is φ = 5101960.

The previous prime is 5101913. The next prime is 5101969. The reversal of 5101961 is 1691015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4687225 + 414736 = 2165^2 + 644^2 .

It is a cyclic number.

It is not a de Polignac number, because 5101961 - 2¹⁸ = 4839817 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5101969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550980 + 2550981.

It is an arithmetic number, because the mean of its divisors is an integer number (2550981).

Almost surely, 2^5101961 is an apocalyptic number.

It is an amenable number.

5101961 is a deficient number, since it is larger than the sum of its proper divisors (1).

5101961 is an equidigital number, since it uses as much as digits as its factorization.

5101961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 5101961 is about 2258.7520890970. The cubic root of 5101961 is about 172.1521211444.

Adding to 5101961 its reverse (1691015), we get a palindrome (6792976).

The spelling of 5101961 in words is "five million, one hundred one thousand, nine hundred sixty-one".