25683053237 has 4 divisors (see below), whose sum is σ = 25685471616. Its totient is φ = 25680634860.

The previous prime is 25683053219. The next prime is 25683053239. The reversal of 25683053237 is 73235038652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25683053237 - 2⁶ = 25683053173 is a prime.

It is a super-3 number, since 3×25683053237³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25683053239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193189 + ... + 1214522.

It is an arithmetic number, because the mean of its divisors is an integer number (6421367904).

Almost surely, 2^25683053237 is an apocalyptic number.

It is an amenable number.

25683053237 is a deficient number, since it is larger than the sum of its proper divisors (2418379).

25683053237 is a wasteful number, since it uses less digits than its factorization.

25683053237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418378.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 25683053237 in words is "twenty-five billion, six hundred eighty-three million, fifty-three thousand, two hundred thirty-seven".