1253454000 has 320 divisors, whose sum is σ = 4367720448. Its totient is φ = 308352000.

The previous prime is 1253453987. The next prime is 1253454001. The reversal of 1253454000 is 4543521.

It is a super-2 number, since 2×1253454000² = 3142293860232000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253454001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4277854 + ... + 4278146.

Almost surely, 2^1253454000 is an apocalyptic number.

1253454000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253454000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2183860224).

1253454000 is an abundant number, since it is smaller than the sum of its proper divisors (3114266448).

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

1253454000 is a wasteful number, since it uses less digits than its factorization.

1253454000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1253454000 is about 35404.1522988477. The cubic root of 1253454000 is about 1078.2086215333.

Adding to 1253454000 its reverse (4543521), we get a palindrome (1257997521).

The spelling of 1253454000 in words is "one billion, two hundred fifty-three million, four hundred fifty-four thousand".