1354106561 has 2 divisors, whose sum is σ = 1354106562. Its totient is φ = 1354106560.

The previous prime is 1354106473. The next prime is 1354106563. The reversal of 1354106561 is 1656014531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1162810000 + 191296561 = 34100^2 + 13831^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354106561 - 2¹⁰ = 1354105537 is a prime.

Together with 1354106563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1354106563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677053280 + 677053281.

It is an arithmetic number, because the mean of its divisors is an integer number (677053281).

Almost surely, 2^1354106561 is an apocalyptic number.

It is an amenable number.

1354106561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354106561 is an equidigital number, since it uses as much as digits as its factorization.

1354106561 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 1354106561 is about 36798.1869254451. The cubic root of 1354106561 is about 1106.3289596635.

The spelling of 1354106561 in words is "one billion, three hundred fifty-four million, one hundred six thousand, five hundred sixty-one".