1253451534 has 16 divisors (see below), whose sum is σ = 2507801472. Its totient is φ = 417667448.

The previous prime is 1253451533. The next prime is 1253451541. The reversal of 1253451534 is 4351543521.

It is a super-2 number, since 2×1253451534² = 3142281496173906312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1253451495 and 1253451504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253451533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18564 + ... + 53399.

It is an arithmetic number, because the mean of its divisors is an integer number (156737592).

Almost surely, 2^1253451534 is an apocalyptic number.

1253451534 is an abundant number, since it is smaller than the sum of its proper divisors (1254349938).

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

1253451534 is a wasteful number, since it uses less digits than its factorization.

1253451534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74871.

The product of its digits is 36000, while the sum is 33.

The square root of 1253451534 is about 35404.1174724071. The cubic root of 1253451534 is about 1078.2079144566.

The spelling of 1253451534 in words is "one billion, two hundred fifty-three million, four hundred fifty-one thousand, five hundred thirty-four".