25290607 has 2 divisors, whose sum is σ = 25290608. Its totient is φ = 25290606.

The previous prime is 25290571. The next prime is 25290619. The reversal of 25290607 is 70609252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25290607 - 2¹¹ = 25288559 is a prime.

It is a super-2 number, since 2×25290607² = 1279229604856898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25290677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12645303 + 12645304.

It is an arithmetic number, because the mean of its divisors is an integer number (12645304).

Almost surely, 2^25290607 is an apocalyptic number.

25290607 is a deficient number, since it is larger than the sum of its proper divisors (1).

25290607 is an equidigital number, since it uses as much as digits as its factorization.

25290607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 25290607 is about 5028.9767348835. The cubic root of 25290607 is about 293.5303985997.

Adding to 25290607 its reverse (70609252), we get a palindrome (95899859).

The spelling of 25290607 in words is "twenty-five million, two hundred ninety thousand, six hundred seven".