1252454250 has 128 divisors (see below), whose sum is σ = 3264528384. Its totient is φ = 319464000.

The previous prime is 1252454239. The next prime is 1252454263. The reversal of 1252454250 is 524542521.

1252454250 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2394489 + ... + 2395011.

It is an arithmetic number, because the mean of its divisors is an integer number (25504128).

Almost surely, 2^1252454250 is an apocalyptic number.

1252454250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252454250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632264192).

1252454250 is an abundant number, since it is smaller than the sum of its proper divisors (2012074134).

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

1252454250 is a wasteful number, since it uses less digits than its factorization.

1252454250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 1252454250 is about 35390.0303757993. The cubic root of 1252454250 is about 1077.9218869628.

Adding to 1252454250 its reverse (524542521), we get a palindrome (1776996771).

The spelling of 1252454250 in words is "one billion, two hundred fifty-two million, four hundred fifty-four thousand, two hundred fifty".