5402623 has 2 divisors, whose sum is σ = 5402624. Its totient is φ = 5402622.

The previous prime is 5402599. The next prime is 5402633. The reversal of 5402623 is 3262045.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5402623 - 2¹⁷ = 5271551 is a prime.

It is a plaindrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 5402594 and 5402603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5402633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701311 + 2701312.

It is an arithmetic number, because the mean of its divisors is an integer number (2701312).

Almost surely, 2^5402623 is an apocalyptic number.

5402623 is a deficient number, since it is larger than the sum of its proper divisors (1).

5402623 is an equidigital number, since it uses as much as digits as its factorization.

5402623 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 22.

The square root of 5402623 is about 2324.3543189454. The cubic root of 5402623 is about 175.4694659855.

Adding to 5402623 its reverse (3262045), we get a palindrome (8664668).

The spelling of 5402623 in words is "five million, four hundred two thousand, six hundred twenty-three".