1035254921 has 2 divisors, whose sum is σ = 1035254922. Its totient is φ = 1035254920.

The previous prime is 1035254893. The next prime is 1035254923. The reversal of 1035254921 is 1294525301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 993510400 + 41744521 = 31520^2 + 6461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1035254921 is a prime.

Together with 1035254923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1035254923) 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, 517627460 + 517627461.

It is an arithmetic number, because the mean of its divisors is an integer number (517627461).

Almost surely, 2^1035254921 is an apocalyptic number.

It is an amenable number.

1035254921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1035254921 is an equidigital number, since it uses as much as digits as its factorization.

1035254921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1035254921 is about 32175.3775580023. The cubic root of 1035254921 is about 1011.6161821660.

The spelling of 1035254921 in words is "one billion, thirty-five million, two hundred fifty-four thousand, nine hundred twenty-one".