25575101 has 2 divisors, whose sum is σ = 25575102. Its totient is φ = 25575100.

The previous prime is 25575073. The next prime is 25575113. The reversal of 25575101 is 10157552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25512601 + 62500 = 5051^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 25575101 - 2⁶ = 25575037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25575181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12787550 + 12787551.

It is an arithmetic number, because the mean of its divisors is an integer number (12787551).

Almost surely, 2^25575101 is an apocalyptic number.

It is an amenable number.

25575101 is a deficient number, since it is larger than the sum of its proper divisors (1).

25575101 is an equidigital number, since it uses as much as digits as its factorization.

25575101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 25575101 is about 5057.1831092022. The cubic root of 25575101 is about 294.6269381669.

The spelling of 25575101 in words is "twenty-five million, five hundred seventy-five thousand, one hundred one".