4097551 has 2 divisors, whose sum is σ = 4097552. Its totient is φ = 4097550.

The previous prime is 4097537. The next prime is 4097567. The reversal of 4097551 is 1557904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4097551 - 2¹⁹ = 3573263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4098551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048775 + 2048776.

It is an arithmetic number, because the mean of its divisors is an integer number (2048776).

Almost surely, 2^4097551 is an apocalyptic number.

4097551 is a deficient number, since it is larger than the sum of its proper divisors (1).

4097551 is an equidigital number, since it uses as much as digits as its factorization.

4097551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 4097551 is about 2024.2408453541. The cubic root of 4097551 is about 160.0201927640.

The spelling of 4097551 in words is "four million, ninety-seven thousand, five hundred fifty-one".