245541252 has 48 divisors (see below), whose sum is σ = 627588864. Its totient is φ = 74100000.

The previous prime is 245541239. The next prime is 245541253. The reversal of 245541252 is 252145542.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (245541253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29427 + ... + 36837.

It is an arithmetic number, because the mean of its divisors is an integer number (13074768).

Almost surely, 2^245541252 is an apocalyptic number.

245541252 is a gapful number since it is divisible by the number (22) 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 245541252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313794432).

245541252 is an abundant number, since it is smaller than the sum of its proper divisors (382047612).

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

245541252 is a wasteful number, since it uses less digits than its factorization.

245541252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680 (or 7678 counting only the distinct ones).

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

The square root of 245541252 is about 15669.7559649153. The cubic root of 245541252 is about 626.1929233522.

Adding to 245541252 its reverse (252145542), we get a palindrome (497686794).

The spelling of 245541252 in words is "two hundred forty-five million, five hundred forty-one thousand, two hundred fifty-two".