25970629 has 2 divisors, whose sum is σ = 25970630. Its totient is φ = 25970628.

The previous prime is 25970603. The next prime is 25970639. The reversal of 25970629 is 92607952.

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., 25020004 + 950625 = 5002^2 + 975^2 .

It is a cyclic number.

It is not a de Polignac number, because 25970629 - 2⁵ = 25970597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25970591 and 25970600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25970639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12985314 + 12985315.

It is an arithmetic number, because the mean of its divisors is an integer number (12985315).

Almost surely, 2^25970629 is an apocalyptic number.

It is an amenable number.

25970629 is a deficient number, since it is larger than the sum of its proper divisors (1).

25970629 is an equidigital number, since it uses as much as digits as its factorization.

25970629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 25970629 is about 5096.1386362618. The cubic root of 25970629 is about 296.1380116396.

The spelling of 25970629 in words is "twenty-five million, nine hundred seventy thousand, six hundred twenty-nine".