1051620953 has 2 divisors, whose sum is σ = 1051620954. Its totient is φ = 1051620952.

The previous prime is 1051620937. The next prime is 1051620959. The reversal of 1051620953 is 3590261501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 583850569 + 467770384 = 24163^2 + 21628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051620953 - 2⁴ = 1051620937 is a prime.

It is a super-2 number, since 2×1051620953² = 2211813257577256418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051620959) 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, 525810476 + 525810477.

It is an arithmetic number, because the mean of its divisors is an integer number (525810477).

Almost surely, 2^1051620953 is an apocalyptic number.

It is an amenable number.

1051620953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051620953 is an equidigital number, since it uses as much as digits as its factorization.

1051620953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 1051620953 is about 32428.7056941840. The cubic root of 1051620953 is about 1016.9191135292.

The spelling of 1051620953 in words is "one billion, fifty-one million, six hundred twenty thousand, nine hundred fifty-three".