245023252 has 6 divisors (see below), whose sum is σ = 428790698. Its totient is φ = 122511624.

The previous prime is 245023249. The next prime is 245023253. The reversal of 245023252 is 252320542.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 244484496 + 538756 = 15636^2 + 734^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245023253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30627903 + ... + 30627910.

Almost surely, 2^245023252 is an apocalyptic number.

It is an amenable number.

245023252 is a deficient number, since it is larger than the sum of its proper divisors (183767446).

245023252 is a wasteful number, since it uses less digits than its factorization.

245023252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61255817 (or 61255815 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 245023252 is about 15653.2185827708. The cubic root of 245023252 is about 625.7522692223.

Adding to 245023252 its reverse (252320542), we get a palindrome (497343794).

The spelling of 245023252 in words is "two hundred forty-five million, twenty-three thousand, two hundred fifty-two".