1253286477 has 24 divisors (see below), whose sum is σ = 1831365120. Its totient is φ = 825832800.

The previous prime is 1253286473. The next prime is 1253286479. The reversal of 1253286477 is 7746823521.

It is not a de Polignac number, because 1253286477 - 2² = 1253286473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253286473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 943788 + ... + 945114.

It is an arithmetic number, because the mean of its divisors is an integer number (76306880).

Almost surely, 2^1253286477 is an apocalyptic number.

It is an amenable number.

1253286477 is a deficient number, since it is larger than the sum of its proper divisors (578078643).

1253286477 is a wasteful number, since it uses less digits than its factorization.

1253286477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473 (or 2470 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 1253286477 is about 35401.7863532336. The cubic root of 1253286477 is about 1078.1605855223.

The spelling of 1253286477 in words is "one billion, two hundred fifty-three million, two hundred eighty-six thousand, four hundred seventy-seven".