25733161 has 2 divisors, whose sum is σ = 25733162. Its totient is φ = 25733160.

The previous prime is 25733119. The next prime is 25733171. The reversal of 25733161 is 16133752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20976400 + 4756761 = 4580^2 + 2181^2 .

It is a cyclic number.

It is not a de Polignac number, because 25733161 - 2¹³ = 25724969 is a prime.

It is not a weakly prime, because it can be changed into another prime (25733171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12866580 + 12866581.

It is an arithmetic number, because the mean of its divisors is an integer number (12866581).

Almost surely, 2^25733161 is an apocalyptic number.

It is an amenable number.

25733161 is a deficient number, since it is larger than the sum of its proper divisors (1).

25733161 is an equidigital number, since it uses as much as digits as its factorization.

25733161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 28.

The square root of 25733161 is about 5072.7863152315. The cubic root of 25733161 is about 295.2326461265.

The spelling of 25733161 in words is "twenty-five million, seven hundred thirty-three thousand, one hundred sixty-one".