254645896525 has 12 divisors (see below), whose sum is σ = 323462398644. Its totient is φ = 198748016000.

The previous prime is 254645896523. The next prime is 254645896543. The reversal of 254645896525 is 525698546452.

It can be written as a sum of positive squares in 6 ways, for example, as 2977120969 + 251668775556 = 54563^2 + 501666^2 .

It is not a de Polignac number, because 254645896525 - 2¹ = 254645896523 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 (254645896523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124216486 + ... + 124218535.

It is an arithmetic number, because the mean of its divisors is an integer number (26955199887).

Almost surely, 2^254645896525 is an apocalyptic number.

254645896525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254645896525 is a deficient number, since it is larger than the sum of its proper divisors (68816502119).

254645896525 is a wasteful number, since it uses less digits than its factorization.

254645896525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248435072 (or 248435067 counting only the distinct ones).

The product of its digits is 103680000, while the sum is 61.

The spelling of 254645896525 in words is "two hundred fifty-four billion, six hundred forty-five million, eight hundred ninety-six thousand, five hundred twenty-five".