253520225153535 has 32 divisors (see below), whose sum is σ = 413303448775680. Its totient is φ = 132653975113088.

The previous prime is 253520225153501. The next prime is 253520225153539. The reversal of 253520225153535 is 535351522025352.

It is a cyclic number.

It is not a de Polignac number, because 253520225153535 - 2¹⁹ = 253520224629247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253520225153539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11853082 + ... + 25446728.

It is an arithmetic number, because the mean of its divisors is an integer number (12915732774240).

Almost surely, 2^{253520225153535} is an apocalyptic number.

253520225153535 is a deficient number, since it is larger than the sum of its proper divisors (159783223622145).

253520225153535 is a wasteful number, since it uses less digits than its factorization.

253520225153535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13617167.

The product of its (nonzero) digits is 6750000, while the sum is 48.

Adding to 253520225153535 its reverse (535351522025352), we get a palindrome (788871747178887).

The spelling of 253520225153535 in words is "two hundred fifty-three trillion, five hundred twenty billion, two hundred twenty-five million, one hundred fifty-three thousand, five hundred thirty-five".