25051417 has 2 divisors, whose sum is σ = 25051418. Its totient is φ = 25051416.

The previous prime is 25051373. The next prime is 25051469. The reversal of 25051417 is 71415052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19175641 + 5875776 = 4379^2 + 2424^2 .

It is a cyclic number.

It is not a de Polignac number, because 25051417 - 2²³ = 16662809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25051391 and 25051400.

It is not a weakly prime, because it can be changed into another prime (25051487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12525708 + 12525709.

It is an arithmetic number, because the mean of its divisors is an integer number (12525709).

Almost surely, 2^25051417 is an apocalyptic number.

It is an amenable number.

25051417 is a deficient number, since it is larger than the sum of its proper divisors (1).

25051417 is an equidigital number, since it uses as much as digits as its factorization.

25051417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 25051417 is about 5005.1390590073. The cubic root of 25051417 is about 292.6020955115.

Adding to 25051417 its reverse (71415052), we get a palindrome (96466469).

Subtracting 25051417 from its reverse (71415052), we obtain a triangular number (46363635 = T₉₆₂₉).

The spelling of 25051417 in words is "twenty-five million, fifty-one thousand, four hundred seventeen".