20250007 has 2 divisors, whose sum is σ = 20250008. Its totient is φ = 20250006.

The previous prime is 20249969. The next prime is 20250031. The reversal of 20250007 is 70005202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20250007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20250047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10125003 + 10125004.

It is an arithmetic number, because the mean of its divisors is an integer number (10125004).

Almost surely, 2^20250007 is an apocalyptic number.

20250007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20250007 is an equidigital number, since it uses as much as digits as its factorization.

20250007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 20250007 is about 4500.0007777777. Note that the first 3 decimals coincide. The cubic root of 20250007 is about 272.5681203318.

Adding to 20250007 its reverse (70005202), we get a palindrome (90255209).

The spelling of 20250007 in words is "twenty million, two hundred fifty thousand, seven".