25486403 has 2 divisors, whose sum is σ = 25486404. Its totient is φ = 25486402.

The previous prime is 25486399. The next prime is 25486411. The reversal of 25486403 is 30468452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25486403 - 2² = 25486399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25486403.

It is not a weakly prime, because it can be changed into another prime (25486603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12743201 + 12743202.

It is an arithmetic number, because the mean of its divisors is an integer number (12743202).

Almost surely, 2^25486403 is an apocalyptic number.

25486403 is a deficient number, since it is larger than the sum of its proper divisors (1).

25486403 is an equidigital number, since it uses as much as digits as its factorization.

25486403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 25486403 is about 5048.4059860514. The cubic root of 25486403 is about 294.2859412828.

The spelling of 25486403 in words is "twenty-five million, four hundred eighty-six thousand, four hundred three".