25303955 has 4 divisors (see below), whose sum is σ = 30364752. Its totient is φ = 20243160.

The previous prime is 25303951. The next prime is 25303969. The reversal of 25303955 is 55930352.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25303955 - 2² = 25303951 is a prime.

It is a super-4 number, since 4×25303955⁴ (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25303951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530391 + ... + 2530400.

It is an arithmetic number, because the mean of its divisors is an integer number (7591188).

Almost surely, 2^25303955 is an apocalyptic number.

25303955 is a deficient number, since it is larger than the sum of its proper divisors (5060797).

25303955 is an equidigital number, since it uses as much as digits as its factorization.

25303955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060796.

The product of its (nonzero) digits is 20250, while the sum is 32.

The square root of 25303955 is about 5030.3036687659. The cubic root of 25303955 is about 293.5820298195.

The spelling of 25303955 in words is "twenty-five million, three hundred three thousand, nine hundred fifty-five".