1081725823 has 2 divisors, whose sum is σ = 1081725824. Its totient is φ = 1081725822.

The previous prime is 1081725763. The next prime is 1081725829. The reversal of 1081725823 is 3285271801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1081725823 - 2¹³ = 1081717631 is a prime.

It is a super-2 number, since 2×1081725823² = 2340261512290054658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081725829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540862911 + 540862912.

It is an arithmetic number, because the mean of its divisors is an integer number (540862912).

Almost surely, 2^1081725823 is an apocalyptic number.

1081725823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081725823 is an equidigital number, since it uses as much as digits as its factorization.

1081725823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1081725823 is about 32889.6005296507. The cubic root of 1081725823 is about 1026.5317800924.

The spelling of 1081725823 in words is "one billion, eighty-one million, seven hundred twenty-five thousand, eight hundred twenty-three".