5511251 has 2 divisors, whose sum is σ = 5511252. Its totient is φ = 5511250.

The previous prime is 5511227. The next prime is 5511263. The reversal of 5511251 is 1521155.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5511251 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5511271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755625 + 2755626.

It is an arithmetic number, because the mean of its divisors is an integer number (2755626).

Almost surely, 2^5511251 is an apocalyptic number.

5511251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5511251 is an equidigital number, since it uses as much as digits as its factorization.

5511251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 250, while the sum is 20.

The square root of 5511251 is about 2347.6053756967. The cubic root of 5511251 is about 176.6376982683.

The spelling of 5511251 in words is "five million, five hundred eleven thousand, two hundred fifty-one".