1253856231 has 6 divisors (see below), whose sum is σ = 1811125680. Its totient is φ = 835904148.

The previous prime is 1253856229. The next prime is 1253856251. The reversal of 1253856231 is 1326583521.

1253856231 is a `hidden beast` number, since 1 + 25 + 3 + 8 + 5 + 623 + 1 = 666.

It is not a de Polignac number, because 1253856231 - 2¹ = 1253856229 is a prime.

It is a super-2 number, since 2×1253856231² = 3144310896035050722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253856211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69658671 + ... + 69658688.

It is an arithmetic number, because the mean of its divisors is an integer number (301854280).

Almost surely, 2^1253856231 is an apocalyptic number.

1253856231 is a deficient number, since it is larger than the sum of its proper divisors (557269449).

1253856231 is a wasteful number, since it uses less digits than its factorization.

1253856231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139317365 (or 139317362 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 1253856231 is about 35409.8324057034. The cubic root of 1253856231 is about 1078.3239408963.

The spelling of 1253856231 in words is "one billion, two hundred fifty-three million, eight hundred fifty-six thousand, two hundred thirty-one".