25061693 has 2 divisors, whose sum is σ = 25061694. Its totient is φ = 25061692.

The previous prime is 25061677. The next prime is 25061717. The reversal of 25061693 is 39616052.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25030009 + 31684 = 5003^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 25061693 - 2⁴ = 25061677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25061093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12530846 + 12530847.

It is an arithmetic number, because the mean of its divisors is an integer number (12530847).

Almost surely, 2^25061693 is an apocalyptic number.

It is an amenable number.

25061693 is a deficient number, since it is larger than the sum of its proper divisors (1).

25061693 is an equidigital number, since it uses as much as digits as its factorization.

25061693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 25061693 is about 5006.1654986626. The cubic root of 25061693 is about 292.6420981469.

The spelling of 25061693 in words is "twenty-five million, sixty-one thousand, six hundred ninety-three".