25652657 has 2 divisors, whose sum is σ = 25652658. Its totient is φ = 25652656.

The previous prime is 25652651. The next prime is 25652663. The reversal of 25652657 is 75625652.

It is a balanced prime because it is at equal distance from previous prime (25652651) and next prime (25652663).

It can be written as a sum of positive squares in only one way, i.e., 16313521 + 9339136 = 4039^2 + 3056^2 .

It is a cyclic number.

It is not a de Polignac number, because 25652657 - 2¹² = 25648561 is a prime.

It is a super-2 number, since 2×25652657² = 1316117622319298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25652657.

It is not a weakly prime, because it can be changed into another prime (25652651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12826328 + 12826329.

It is an arithmetic number, because the mean of its divisors is an integer number (12826329).

Almost surely, 2^25652657 is an apocalyptic number.

It is an amenable number.

25652657 is a deficient number, since it is larger than the sum of its proper divisors (1).

25652657 is an equidigital number, since it uses as much as digits as its factorization.

25652657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 38.

The square root of 25652657 is about 5064.8452098756. The cubic root of 25652657 is about 294.9244544657.

The spelling of 25652657 in words is "twenty-five million, six hundred fifty-two thousand, six hundred fifty-seven".