1025241631 has 2 divisors, whose sum is σ = 1025241632. Its totient is φ = 1025241630.

The previous prime is 1025241589. The next prime is 1025241671. The reversal of 1025241631 is 1361425201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1361425201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1025241631 - 2²⁹ = 488370719 is a prime.

It is a super-2 number, since 2×1025241631² = 2102240803871080322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1025241596 and 1025241605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025241671) 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, 512620815 + 512620816.

It is an arithmetic number, because the mean of its divisors is an integer number (512620816).

Almost surely, 2^1025241631 is an apocalyptic number.

1025241631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025241631 is an equidigital number, since it uses as much as digits as its factorization.

1025241631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1025241631 is about 32019.3946070190. The cubic root of 1025241631 is about 1008.3440600154.

Adding to 1025241631 its reverse (1361425201), we get a palindrome (2386666832).

The spelling of 1025241631 in words is "one billion, twenty-five million, two hundred forty-one thousand, six hundred thirty-one".