52225165461421 has 4 divisors (see below), whose sum is σ = 52225180144092. Its totient is φ = 52225150778752.

The previous prime is 52225165461397. The next prime is 52225165461431. The reversal of 52225165461421 is 12416456152225.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 31458132650025 + 20767032811396 = 5608755^2 + 4557086^2 .

It is a cyclic number.

It is not a de Polignac number, because 52225165461421 - 2¹¹ = 52225165459373 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 (52225165461431) 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, 1732221 + ... + 10365853.

It is an arithmetic number, because the mean of its divisors is an integer number (13056295036023).

Almost surely, 2^{52225165461421} is an apocalyptic number.

It is an amenable number.

52225165461421 is a deficient number, since it is larger than the sum of its proper divisors (14682671).

52225165461421 is an equidigital number, since it uses as much as digits as its factorization.

52225165461421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14682670.

The product of its digits is 1152000, while the sum is 46.

The spelling of 52225165461421 in words is "fifty-two trillion, two hundred twenty-five billion, one hundred sixty-five million, four hundred sixty-one thousand, four hundred twenty-one".