1554461 has 2 divisors, whose sum is σ = 1554462. Its totient is φ = 1554460.

The previous prime is 1554451. The next prime is 1554521. The reversal of 1554461 is 1644551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1020100 + 534361 = 1010^2 + 731^2 .

It is a cyclic number.

It is not a de Polignac number, because 1554461 - 2¹⁰ = 1553437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1554461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1554401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777230 + 777231.

It is an arithmetic number, because the mean of its divisors is an integer number (777231).

2^1554461 is an apocalyptic number.

It is an amenable number.

1554461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1554461 is an equidigital number, since it uses as much as digits as its factorization.

1554461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 26.

The square root of 1554461 is about 1246.7802532925. The cubic root of 1554461 is about 115.8403719938.

The spelling of 1554461 in words is "one million, five hundred fifty-four thousand, four hundred sixty-one".