1354998061 has 2 divisors, whose sum is σ = 1354998062. Its totient is φ = 1354998060.

The previous prime is 1354998049. The next prime is 1354998067. The reversal of 1354998061 is 1608994531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1052029225 + 302968836 = 32435^2 + 17406^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354998061 - 2⁹ = 1354997549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1354998067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677499030 + 677499031.

It is an arithmetic number, because the mean of its divisors is an integer number (677499031).

Almost surely, 2^1354998061 is an apocalyptic number.

It is an amenable number.

1354998061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354998061 is an equidigital number, since it uses as much as digits as its factorization.

1354998061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 1354998061 is about 36810.2983008831. The cubic root of 1354998061 is about 1106.5716968127.

The spelling of 1354998061 in words is "one billion, three hundred fifty-four million, nine hundred ninety-eight thousand, sixty-one".