1042625231 has 2 divisors, whose sum is σ = 1042625232. Its totient is φ = 1042625230.

The previous prime is 1042625191. The next prime is 1042625251. The reversal of 1042625231 is 1325262401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042625231 - 2¹⁰ = 1042624207 is a prime.

It is a super-2 number, since 2×1042625231² = 2174134744635606722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1042625231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042625251) 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, 521312615 + 521312616.

It is an arithmetic number, because the mean of its divisors is an integer number (521312616).

Almost surely, 2^1042625231 is an apocalyptic number.

1042625231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042625231 is an equidigital number, since it uses as much as digits as its factorization.

1042625231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1042625231 is about 32289.7078184365. The cubic root of 1042625231 is about 1014.0111803002.

Adding to 1042625231 its reverse (1325262401), we get a palindrome (2367887632).

The spelling of 1042625231 in words is "one billion, forty-two million, six hundred twenty-five thousand, two hundred thirty-one".