522151061401 has 4 divisors (see below), whose sum is σ = 527534062132. Its totient is φ = 516768060672.

The previous prime is 522151061359. The next prime is 522151061429. The reversal of 522151061401 is 104160151225.

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 234860421376 + 287290640025 = 484624^2 + 535995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522151061401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 522151061401.

It is not an unprimeable number, because it can be changed into a prime (522151061431) 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, 2691500220 + ... + 2691500413.

It is an arithmetic number, because the mean of its divisors is an integer number (131883515533).

Almost surely, 2^522151061401 is an apocalyptic number.

It is an amenable number.

522151061401 is a deficient number, since it is larger than the sum of its proper divisors (5383000731).

522151061401 is an equidigital number, since it uses as much as digits as its factorization.

522151061401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5383000730.

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 522151061401 in words is "five hundred twenty-two billion, one hundred fifty-one million, sixty-one thousand, four hundred one".