25572601 has 2 divisors, whose sum is σ = 25572602. Its totient is φ = 25572600.

The previous prime is 25572541. The next prime is 25572611. The reversal of 25572601 is 10627552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14175225 + 11397376 = 3765^2 + 3376^2 .

It is a cyclic number.

It is not a de Polignac number, because 25572601 - 2¹¹ = 25570553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25572601.

It is not a weakly prime, because it can be changed into another prime (25572611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12786300 + 12786301.

It is an arithmetic number, because the mean of its divisors is an integer number (12786301).

Almost surely, 2^25572601 is an apocalyptic number.

It is an amenable number.

25572601 is a deficient number, since it is larger than the sum of its proper divisors (1).

25572601 is an equidigital number, since it uses as much as digits as its factorization.

25572601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 25572601 is about 5056.9359299876. The cubic root of 25572601 is about 294.6173377963.

The spelling of 25572601 in words is "twenty-five million, five hundred seventy-two thousand, six hundred one".