1406601541 has 2 divisors, whose sum is σ = 1406601542. Its totient is φ = 1406601540.

The previous prime is 1406601527. The next prime is 1406601589. The reversal of 1406601541 is 1451066041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 872020900 + 534580641 = 29530^2 + 23121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406601541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406601841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703300770 + 703300771.

It is an arithmetic number, because the mean of its divisors is an integer number (703300771).

Almost surely, 2^1406601541 is an apocalyptic number.

It is an amenable number.

1406601541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406601541 is an equidigital number, since it uses as much as digits as its factorization.

1406601541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1406601541 is about 37504.6869204370. The cubic root of 1406601541 is about 1120.4445357504. Note that the first 3 decimals are identical.

Adding to 1406601541 its reverse (1451066041), we get a palindrome (2857667582).

The spelling of 1406601541 in words is "one billion, four hundred six million, six hundred one thousand, five hundred forty-one".