1253464632 has 80 divisors (see below), whose sum is σ = 4012427760. Its totient is φ = 358131456.

The previous prime is 1253464613. The next prime is 1253464673. The reversal of 1253464632 is 2364643521.

1253464632 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 4 + 646 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 133633 + ... + 142704.

It is an arithmetic number, because the mean of its divisors is an integer number (50155347).

Almost surely, 2^1253464632 is an apocalyptic number.

1253464632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1253464632 is an abundant number, since it is smaller than the sum of its proper divisors (2758963128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253464632 is a wasteful number, since it uses less digits than its factorization.

1253464632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276362 (or 276349 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 1253464632 is about 35404.3024504085. The cubic root of 1253464632 is about 1078.2116700381.

The spelling of 1253464632 in words is "one billion, two hundred fifty-three million, four hundred sixty-four thousand, six hundred thirty-two".