25275277525 has 12 divisors (see below), whose sum is σ = 31346056224. Its totient is φ = 20217182000.

The previous prime is 25275277519. The next prime is 25275277541. The reversal of 25275277525 is 52577257252.

It is a happy number.

It is not a de Polignac number, because 25275277525 - 2⁷ = 25275277397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101760 + ... + 246790.

It is an arithmetic number, because the mean of its divisors is an integer number (2612171352).

Almost surely, 2^25275277525 is an apocalyptic number.

25275277525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25275277525 is a deficient number, since it is larger than the sum of its proper divisors (6070778699).

25275277525 is a wasteful number, since it uses less digits than its factorization.

25275277525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152012 (or 152007 counting only the distinct ones).

The product of its digits is 3430000, while the sum is 49.

The spelling of 25275277525 in words is "twenty-five billion, two hundred seventy-five million, two hundred seventy-seven thousand, five hundred twenty-five".