5111641 has 2 divisors, whose sum is σ = 5111642. Its totient is φ = 5111640.

The previous prime is 5111599. The next prime is 5111647. The reversal of 5111641 is 1461115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3316041 + 1795600 = 1821^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 5111641 - 2¹⁵ = 5078873 is a prime.

It is a super-2 number, since 2×5111641² = 52257747425762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5111647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555820 + 2555821.

It is an arithmetic number, because the mean of its divisors is an integer number (2555821).

Almost surely, 2^5111641 is an apocalyptic number.

It is an amenable number.

5111641 is a deficient number, since it is larger than the sum of its proper divisors (1).

5111641 is an equidigital number, since it uses as much as digits as its factorization.

5111641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 19.

The square root of 5111641 is about 2260.8938497860. The cubic root of 5111641 is about 172.2609276555.

Adding to 5111641 its reverse (1461115), we get a palindrome (6572756).

The spelling of 5111641 in words is "five million, one hundred eleven thousand, six hundred forty-one".