1052021461 has 2 divisors, whose sum is σ = 1052021462. Its totient is φ = 1052021460.

The previous prime is 1052021447. The next prime is 1052021479. The reversal of 1052021461 is 1641202501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 755975025 + 296046436 = 27495^2 + 17206^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052021461 - 2¹³ = 1052013269 is a prime.

It is a super-2 number, since 2×1052021461² = 2213498308809149042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052021161) 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, 526010730 + 526010731.

It is an arithmetic number, because the mean of its divisors is an integer number (526010731).

Almost surely, 2^1052021461 is an apocalyptic number.

It is an amenable number.

1052021461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052021461 is an equidigital number, since it uses as much as digits as its factorization.

1052021461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1052021461 is about 32434.8803142543. The cubic root of 1052021461 is about 1017.0481944322.

Adding to 1052021461 its reverse (1641202501), we get a palindrome (2693223962).

The spelling of 1052021461 in words is "one billion, fifty-two million, twenty-one thousand, four hundred sixty-one".