25035420021353 has 4 divisors (see below), whose sum is σ = 28611908595840. Its totient is φ = 21458931446868.

The previous prime is 25035420021349. The next prime is 25035420021421. The reversal of 25035420021353 is 35312002453052.

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 a cyclic number.

It is not a de Polignac number, because 25035420021353 - 2² = 25035420021349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25035420023353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1788244287233 + ... + 1788244287246.

It is an arithmetic number, because the mean of its divisors is an integer number (7152977148960).

Almost surely, 2^{25035420021353} is an apocalyptic number.

It is an amenable number.

25035420021353 is a deficient number, since it is larger than the sum of its proper divisors (3576488574487).

25035420021353 is an equidigital number, since it uses as much as digits as its factorization.

25035420021353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576488574486.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 25035420021353 in words is "twenty-five trillion, thirty-five billion, four hundred twenty million, twenty-one thousand, three hundred fifty-three".