5402491 has 2 divisors, whose sum is σ = 5402492. Its totient is φ = 5402490.

The previous prime is 5402471. The next prime is 5402519. The reversal of 5402491 is 1942045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5402491 - 2¹¹ = 5400443 is a prime.

It is not a weakly prime, because it can be changed into another prime (5402431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701245 + 2701246.

It is an arithmetic number, because the mean of its divisors is an integer number (2701246).

Almost surely, 2^5402491 is an apocalyptic number.

5402491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5402491 is an equidigital number, since it uses as much as digits as its factorization.

5402491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 5402491 is about 2324.3259237895. The cubic root of 5402491 is about 175.4680369168.

The spelling of 5402491 in words is "five million, four hundred two thousand, four hundred ninety-one".