25134545476 has 6 divisors (see below), whose sum is σ = 43985454590. Its totient is φ = 12567272736.

The previous prime is 25134545453. The next prime is 25134545483. The reversal of 25134545476 is 67454543152.

It can be written as a sum of positive squares in only one way, i.e., 22582275076 + 2552270400 = 150274^2 + 50520^2 .

It is a super-2 number, since 2×25134545476² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3141818181 + ... + 3141818188.

Almost surely, 2^25134545476 is an apocalyptic number.

It is an amenable number.

25134545476 is a deficient number, since it is larger than the sum of its proper divisors (18850909114).

25134545476 is a wasteful number, since it uses less digits than its factorization.

25134545476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6283636373 (or 6283636371 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 46.

The spelling of 25134545476 in words is "twenty-five billion, one hundred thirty-four million, five hundred forty-five thousand, four hundred seventy-six".