1505052061 has 2 divisors, whose sum is σ = 1505052062. Its totient is φ = 1505052060.

The previous prime is 1505052019. The next prime is 1505052089. The reversal of 1505052061 is 1602505051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1505052025 + 36 = 38795^2 + 6^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1505052061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1505052161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752526030 + 752526031.

It is an arithmetic number, because the mean of its divisors is an integer number (752526031).

Almost surely, 2^1505052061 is an apocalyptic number.

It is an amenable number.

1505052061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1505052061 is an equidigital number, since it uses as much as digits as its factorization.

1505052061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1505052061 is about 38795.0004639773. Note that the first 3 decimals coincide. The cubic root of 1505052061 is about 1145.9979504769.

The spelling of 1505052061 in words is "one billion, five hundred five million, fifty-two thousand, sixty-one".