25393001 has 2 divisors, whose sum is σ = 25393002. Its totient is φ = 25393000.

The previous prime is 25392959. The next prime is 25393007. The reversal of 25393001 is 10039352.

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., 22080601 + 3312400 = 4699^2 + 1820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25393001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25393007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12696500 + 12696501.

It is an arithmetic number, because the mean of its divisors is an integer number (12696501).

Almost surely, 2^25393001 is an apocalyptic number.

It is an amenable number.

25393001 is a deficient number, since it is larger than the sum of its proper divisors (1).

25393001 is an equidigital number, since it uses as much as digits as its factorization.

25393001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 25393001 is about 5039.1468523948. The cubic root of 25393001 is about 293.9260037140.

The spelling of 25393001 in words is "twenty-five million, three hundred ninety-three thousand, one".