25354403 has 2 divisors, whose sum is σ = 25354404. Its totient is φ = 25354402.

The previous prime is 25354397. The next prime is 25354411. The reversal of 25354403 is 30445352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25354403 - 2¹⁰ = 25353379 is a prime.

It is not a weakly prime, because it can be changed into another prime (25357403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12677201 + 12677202.

It is an arithmetic number, because the mean of its divisors is an integer number (12677202).

Almost surely, 2^25354403 is an apocalyptic number.

25354403 is a deficient number, since it is larger than the sum of its proper divisors (1).

25354403 is an equidigital number, since it uses as much as digits as its factorization.

25354403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 25354403 is about 5035.3155809740. The cubic root of 25354403 is about 293.7770032216. Note that the first 3 decimals are identical.

Adding to 25354403 its reverse (30445352), we get a palindrome (55799755).

The spelling of 25354403 in words is "twenty-five million, three hundred fifty-four thousand, four hundred three".