2254121521325 has 24 divisors (see below), whose sum is σ = 2855353529160. Its totient is φ = 1764731001600.

The previous prime is 2254121521321. The next prime is 2254121521349. The reversal of 2254121521325 is 5231251214522.

It can be written as a sum of positive squares in 12 ways, for example, as 942961407844 + 1311160113481 = 971062^2 + 1145059^2 .

It is not a de Polignac number, because 2254121521325 - 2² = 2254121521321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2254121521321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3451130 + ... + 4051979.

It is an arithmetic number, because the mean of its divisors is an integer number (118973063715).

Almost surely, 2^{2254121521325} is an apocalyptic number.

2254121521325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2254121521325 is a deficient number, since it is larger than the sum of its proper divisors (601232007835).

2254121521325 is a wasteful number, since it uses less digits than its factorization.

2254121521325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7503377 (or 7503372 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

Adding to 2254121521325 its reverse (5231251214522), we get a palindrome (7485372735847).

The spelling of 2254121521325 in words is "two trillion, two hundred fifty-four billion, one hundred twenty-one million, five hundred twenty-one thousand, three hundred twenty-five".