1354254525225 has 72 divisors (see below), whose sum is σ = 2786501549312. Its totient is φ = 615879936000.

The previous prime is 1354254525209. The next prime is 1354254525227. The reversal of 1354254525225 is 5225254524531.

1354254525225 is a `hidden beast` number, since 1 + 3 + 54 + 2 + 54 + 525 + 2 + 25 = 666.

It is not a de Polignac number, because 1354254525225 - 2⁴ = 1354254525209 is a prime.

It is a super-2 number, since 2×1354254525225² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1354254525227) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1923601 + ... + 2531550.

Almost surely, 2^{1354254525225} is an apocalyptic number.

1354254525225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1354254525225 is an abundant number, since it is smaller than the sum of its proper divisors (1432247024087).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1354254525225 is a wasteful number, since it uses less digits than its factorization.

1354254525225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455367 (or 4455359 counting only the distinct ones).

The product of its digits is 2400000, while the sum is 45.

The spelling of 1354254525225 in words is "one trillion, three hundred fifty-four billion, two hundred fifty-four million, five hundred twenty-five thousand, two hundred twenty-five".