4251252450 has 48 divisors (see below), whose sum is σ = 10619007840. Its totient is φ = 1125505920.

The previous prime is 4251252371. The next prime is 4251252457. The reversal of 4251252450 is 542521524.

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

It is not an unprimeable number, because it can be changed into a prime (4251252457) 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, 81099 + ... + 122798.

It is an arithmetic number, because the mean of its divisors is an integer number (221229330).

Almost surely, 2^4251252450 is an apocalyptic number.

4251252450 is an abundant number, since it is smaller than the sum of its proper divisors (6367755390).

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

4251252450 is a wasteful number, since it uses less digits than its factorization.

4251252450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204051 (or 204046 counting only the distinct ones).

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

The square root of 4251252450 is about 65201.6291974365. The cubic root of 4251252450 is about 1619.9650007680.

Adding to 4251252450 its reverse (542521524), we get a palindrome (4793773974).

The spelling of 4251252450 in words is "four billion, two hundred fifty-one million, two hundred fifty-two thousand, four hundred fifty".