535253401421 has 8 divisors (see below), whose sum is σ = 548819639424. Its totient is φ = 521777908000.

The previous prime is 535253401387. The next prime is 535253401427. The reversal of 535253401421 is 124104352535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-535253401421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535253401427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22674200 + ... + 22697793.

It is an arithmetic number, because the mean of its divisors is an integer number (68602454928).

Almost surely, 2^535253401421 is an apocalyptic number.

It is an amenable number.

535253401421 is a deficient number, since it is larger than the sum of its proper divisors (13566238003).

535253401421 is a wasteful number, since it uses less digits than its factorization.

535253401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45372291.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 535253401421 its reverse (124104352535), we get a palindrome (659357753956).

The spelling of 535253401421 in words is "five hundred thirty-five billion, two hundred fifty-three million, four hundred one thousand, four hundred twenty-one".