1505606741 has 2 divisors, whose sum is σ = 1505606742. Its totient is φ = 1505606740.

The previous prime is 1505606693. The next prime is 1505606761. The reversal of 1505606741 is 1476065051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1284935716 + 220671025 = 35846^2 + 14855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1505606741 - 2¹⁴ = 1505590357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1505606761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752803370 + 752803371.

It is an arithmetic number, because the mean of its divisors is an integer number (752803371).

Almost surely, 2^1505606741 is an apocalyptic number.

It is an amenable number.

1505606741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1505606741 is an equidigital number, since it uses as much as digits as its factorization.

1505606741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 1505606741 is about 38802.1486647325. The cubic root of 1505606741 is about 1146.1387172728.

The spelling of 1505606741 in words is "one billion, five hundred five million, six hundred six thousand, seven hundred forty-one".