951491 has 2 divisors, whose sum is σ = 951492. Its totient is φ = 951490.

The previous prime is 951479. The next prime is 951497. The reversal of 951491 is 194159.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 951491 - 2⁶ = 951427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (951497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475745 + 475746.

It is an arithmetic number, because the mean of its divisors is an integer number (475746).

2⁹⁵¹⁴⁹¹ is an apocalyptic number.

951491 is a deficient number, since it is larger than the sum of its proper divisors (1).

951491 is an equidigital number, since it uses as much as digits as its factorization.

951491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 29.

The square root of 951491 is about 975.4440014680. Note that the first 3 decimals coincide. The cubic root of 951491 is about 98.3561592770.

The spelling of 951491 in words is "nine hundred fifty-one thousand, four hundred ninety-one".