1427653 has 2 divisors, whose sum is σ = 1427654.
Its totient is φ = 1427652.
The previous prime is 1427627. The next prime is 1427663. The reversal of 1427653 is 3567241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 996004 + 431649 = 998^2 + 657^2
It is a cyclic number.
It is not a de Polignac number, because 1427653 - 29 = 1427141 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1427663) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713826 + 713827.
It is an arithmetic number, because the mean of its divisors is an integer number (713827).
21427653 is an apocalyptic number.
It is an amenable number.
1427653 is a deficient number, since it is larger than the sum of its proper divisors (1).
1427653 is an equidigital number, since it uses as much as digits as its factorization.
1427653 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5040, while the sum is 28.
The square root of 1427653 is about 1194.8443413265.
The cubic root of 1427653 is about 112.6006473782.
It can be divided in two parts, 1427 and 653, that added together give a triangular number (2080 = T64).
The spelling of 1427653 in words is "one million, four hundred twenty-seven thousand, six hundred fifty-three".