2554729 has 2 divisors, whose sum is σ = 2554730. Its totient is φ = 2554728.

The previous prime is 2554711. The next prime is 2554733. The reversal of 2554729 is 9274552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2036329 + 518400 = 1427^2 + 720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2554729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2554694 and 2554703.

It is not a weakly prime, because it can be changed into another prime (2554789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277364 + 1277365.

It is an arithmetic number, because the mean of its divisors is an integer number (1277365).

2^2554729 is an apocalyptic number.

It is an amenable number.

2554729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554729 is an equidigital number, since it uses as much as digits as its factorization.

2554729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 34.

The square root of 2554729 is about 1598.3519637427. The cubic root of 2554729 is about 136.7041228553.

The spelling of 2554729 in words is "two million, five hundred fifty-four thousand, seven hundred twenty-nine".