1025623111 has 2 divisors, whose sum is σ = 1025623112. Its totient is φ = 1025623110.

The previous prime is 1025623051. The next prime is 1025623121. The reversal of 1025623111 is 1113265201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1113265201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1025623111 - 2¹¹ = 1025621063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025623121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512811555 + 512811556.

It is an arithmetic number, because the mean of its divisors is an integer number (512811556).

Almost surely, 2^1025623111 is an apocalyptic number.

1025623111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025623111 is an equidigital number, since it uses as much as digits as its factorization.

1025623111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1025623111 is about 32025.3510675527. The cubic root of 1025623111 is about 1008.4691087131.

Adding to 1025623111 its reverse (1113265201), we get a palindrome (2138888312).

The spelling of 1025623111 in words is "one billion, twenty-five million, six hundred twenty-three thousand, one hundred eleven".