25273603 has 2 divisors, whose sum is σ = 25273604. Its totient is φ = 25273602.

The previous prime is 25273561. The next prime is 25273621. The reversal of 25273603 is 30637252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25273603 - 2¹³ = 25265411 is a prime.

It is not a weakly prime, because it can be changed into another prime (25273663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12636801 + 12636802.

It is an arithmetic number, because the mean of its divisors is an integer number (12636802).

Almost surely, 2^25273603 is an apocalyptic number.

25273603 is a deficient number, since it is larger than the sum of its proper divisors (1).

25273603 is an equidigital number, since it uses as much as digits as its factorization.

25273603 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 28.

The square root of 25273603 is about 5027.2858482485. The cubic root of 25273603 is about 293.4645993365.

The spelling of 25273603 in words is "twenty-five million, two hundred seventy-three thousand, six hundred three".