25352769285 has 32 divisors (see below), whose sum is σ = 45172080000. Its totient is φ = 13491330048.

The previous prime is 25352769241. The next prime is 25352769287. The reversal of 25352769285 is 58296725352.

It is a happy number.

25352769285 is a `hidden beast` number, since 2 + 5 + 352 + 7 + 6 + 9 + 285 = 666.

It is not a de Polignac number, because 25352769285 - 2⁹ = 25352768773 is a prime.

It is a super-2 number, since 2×25352769285² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25352769287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148515 + ... + 269744.

It is an arithmetic number, because the mean of its divisors is an integer number (1411627500).

Almost surely, 2^25352769285 is an apocalyptic number.

It is an amenable number.

25352769285 is a deficient number, since it is larger than the sum of its proper divisors (19819310715).

25352769285 is a wasteful number, since it uses less digits than its factorization.

25352769285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418722 (or 418716 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The spelling of 25352769285 in words is "twenty-five billion, three hundred fifty-two million, seven hundred sixty-nine thousand, two hundred eighty-five".