1056641501 has 2 divisors, whose sum is σ = 1056641502. Its totient is φ = 1056641500.

The previous prime is 1056641491. The next prime is 1056641513. The reversal of 1056641501 is 1051466501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 950242276 + 106399225 = 30826^2 + 10315^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056641501 - 2¹⁰ = 1056640477 is a prime.

It is a super-2 number, since 2×1056641501² = 2232982523271066002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056641581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528320750 + 528320751.

It is an arithmetic number, because the mean of its divisors is an integer number (528320751).

Almost surely, 2^1056641501 is an apocalyptic number.

It is an amenable number.

1056641501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056641501 is an equidigital number, since it uses as much as digits as its factorization.

1056641501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1056641501 is about 32506.0225342935. The cubic root of 1056641501 is about 1018.5348376397.

The spelling of 1056641501 in words is "one billion, fifty-six million, six hundred forty-one thousand, five hundred one".