5321401254545 has 4 divisors (see below), whose sum is σ = 6385681505460. Its totient is φ = 4257121003632.

The previous prime is 5321401254493. The next prime is 5321401254563. The reversal of 5321401254545 is 5454521041235.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1930190611969 + 3391210642576 = 1389313^2 + 1841524^2 .

It is a cyclic number.

It is not a de Polignac number, because 5321401254545 - 2¹⁴ = 5321401238161 is a prime.

It is a super-2 number, since 2×5321401254545² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532140125450 + ... + 532140125459.

It is an arithmetic number, because the mean of its divisors is an integer number (1596420376365).

Almost surely, 2^{5321401254545} is an apocalyptic number.

It is an amenable number.

5321401254545 is a deficient number, since it is larger than the sum of its proper divisors (1064280250915).

5321401254545 is a wasteful number, since it uses less digits than its factorization.

5321401254545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064280250914.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 5321401254545 in words is "five trillion, three hundred twenty-one billion, four hundred one million, two hundred fifty-four thousand, five hundred forty-five".