263525253 has 4 divisors (see below), whose sum is σ = 351367008. Its totient is φ = 175683500.

The previous prime is 263525243. The next prime is 263525263. The reversal of 263525253 is 352525362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (263525243) and next prime (263525263).

It is a cyclic number.

It is not a de Polignac number, because 263525253 - 2⁸ = 263524997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263525243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43920873 + ... + 43920878.

It is an arithmetic number, because the mean of its divisors is an integer number (87841752).

Almost surely, 2^263525253 is an apocalyptic number.

It is an amenable number.

263525253 is a deficient number, since it is larger than the sum of its proper divisors (87841755).

263525253 is an equidigital number, since it uses as much as digits as its factorization.

263525253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87841754.

The product of its digits is 54000, while the sum is 33.

The square root of 263525253 is about 16233.4609064118. The cubic root of 263525253 is about 641.1220980691.

The spelling of 263525253 in words is "two hundred sixty-three million, five hundred twenty-five thousand, two hundred fifty-three".