1501426061 has 2 divisors, whose sum is σ = 1501426062. Its totient is φ = 1501426060.

The previous prime is 1501426057. The next prime is 1501426067. The reversal of 1501426061 is 1606241051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1436864836 + 64561225 = 37906^2 + 8035^2 .

It is a cyclic number.

It is not a de Polignac number, because 1501426061 - 2² = 1501426057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1501426061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1501426067) 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, 750713030 + 750713031.

It is an arithmetic number, because the mean of its divisors is an integer number (750713031).

Almost surely, 2^1501426061 is an apocalyptic number.

It is an amenable number.

1501426061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1501426061 is an equidigital number, since it uses as much as digits as its factorization.

1501426061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1501426061 is about 38748.2394567805. The cubic root of 1501426061 is about 1145.0768903953.

The spelling of 1501426061 in words is "one billion, five hundred one million, four hundred twenty-six thousand, sixty-one".