554090261 has 2 divisors, whose sum is σ = 554090262. Its totient is φ = 554090260.

The previous prime is 554090233. The next prime is 554090297. The reversal of 554090261 is 162090455.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485100625 + 68989636 = 22025^2 + 8306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554090261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554092261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277045130 + 277045131.

It is an arithmetic number, because the mean of its divisors is an integer number (277045131).

Almost surely, 2^554090261 is an apocalyptic number.

It is an amenable number.

554090261 is a deficient number, since it is larger than the sum of its proper divisors (1).

554090261 is an equidigital number, since it uses as much as digits as its factorization.

554090261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 554090261 is about 23539.1219249997. The cubic root of 554090261 is about 821.3473096647.

The spelling of 554090261 in words is "five hundred fifty-four million, ninety thousand, two hundred sixty-one".