4262491 has 2 divisors, whose sum is σ = 4262492. Its totient is φ = 4262490.

The previous prime is 4262459. The next prime is 4262509. The reversal of 4262491 is 1942624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4262491 - 2⁵ = 4262459 is a prime.

It is a super-3 number, since 3×4262491³ (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

4262491 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4262431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2131245 + 2131246.

It is an arithmetic number, because the mean of its divisors is an integer number (2131246).

Almost surely, 2^4262491 is an apocalyptic number.

4262491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4262491 is an equidigital number, since it uses as much as digits as its factorization.

4262491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 4262491 is about 2064.5801025874. The cubic root of 4262491 is about 162.1391250115.

It can be divided in two parts, 4262 and 491, that added together give a triangular number (4753 = T₉₇).

The spelling of 4262491 in words is "four million, two hundred sixty-two thousand, four hundred ninety-one".