5451931 has 2 divisors, whose sum is σ = 5451932. Its totient is φ = 5451930.

The previous prime is 5451889. The next prime is 5451937. The reversal of 5451931 is 1391545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5451931 is a prime.

It is a super-2 number, since 2×5451931² = 59447103257522, which contains 22 as substring.

It is a Chen prime.

It is equal to p₃₇₇₇₁₃ and since 5451931 and 377713 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5451931.

It is not a weakly prime, because it can be changed into another prime (5451937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725965 + 2725966.

It is an arithmetic number, because the mean of its divisors is an integer number (2725966).

Almost surely, 2^5451931 is an apocalyptic number.

5451931 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451931 is an equidigital number, since it uses as much as digits as its factorization.

5451931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 28.

The square root of 5451931 is about 2334.9370441192. The cubic root of 5451931 is about 176.0016679422.

The spelling of 5451931 in words is "five million, four hundred fifty-one thousand, nine hundred thirty-one".