25470229 has 2 divisors, whose sum is σ = 25470230. Its totient is φ = 25470228.

The previous prime is 25470191. The next prime is 25470239. The reversal of 25470229 is 92207452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15421329 + 10048900 = 3927^2 + 3170^2 .

It is a cyclic number.

It is not a de Polignac number, because 25470229 - 2⁷ = 25470101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25470229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25470239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12735114 + 12735115.

It is an arithmetic number, because the mean of its divisors is an integer number (12735115).

Almost surely, 2^25470229 is an apocalyptic number.

It is an amenable number.

25470229 is a deficient number, since it is larger than the sum of its proper divisors (1).

25470229 is an equidigital number, since it uses as much as digits as its factorization.

25470229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 25470229 is about 5046.8038400556. The cubic root of 25470229 is about 294.2236755583.

The spelling of 25470229 in words is "twenty-five million, four hundred seventy thousand, two hundred twenty-nine".