1030400953 has 2 divisors, whose sum is σ = 1030400954. Its totient is φ = 1030400952.

The previous prime is 1030400947. The next prime is 1030400983. The reversal of 1030400953 is 3590040301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 936543609 + 93857344 = 30603^2 + 9688^2 .

It is an emirp because it is prime and its reverse (3590040301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030400953 - 2¹⁷ = 1030269881 is a prime.

It is a super-2 number, since 2×1030400953² = 2123452247886616418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1030400983) 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, 515200476 + 515200477.

It is an arithmetic number, because the mean of its divisors is an integer number (515200477).

Almost surely, 2^1030400953 is an apocalyptic number.

It is an amenable number.

1030400953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030400953 is an equidigital number, since it uses as much as digits as its factorization.

1030400953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1030400953 is about 32099.8590806876. The cubic root of 1030400953 is about 1010.0326601209.

The spelling of 1030400953 in words is "one billion, thirty million, four hundred thousand, nine hundred fifty-three".