225154125253 has 8 divisors (see below), whose sum is σ = 240856203672. Its totient is φ = 209725126656.

The previous prime is 225154125191. The next prime is 225154125281. The reversal of 225154125253 is 352521451522.

It can be written as a sum of positive squares in 4 ways, for example, as 3556094689 + 221598030564 = 59633^2 + 470742^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 225154125253 - 2¹³ = 225154117061 is a prime.

It is a super-2 number, since 2×225154125253² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225154122253) 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, 68268250 + ... + 68271547.

It is an arithmetic number, because the mean of its divisors is an integer number (30107025459).

Almost surely, 2^225154125253 is an apocalyptic number.

It is an amenable number.

225154125253 is a deficient number, since it is larger than the sum of its proper divisors (15702078419).

225154125253 is a wasteful number, since it uses less digits than its factorization.

225154125253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136539911.

The product of its digits is 120000, while the sum is 37.

Adding to 225154125253 its reverse (352521451522), we get a palindrome (577675576775).

The spelling of 225154125253 in words is "two hundred twenty-five billion, one hundred fifty-four million, one hundred twenty-five thousand, two hundred fifty-three".