245533012 has 6 divisors (see below), whose sum is σ = 429682778. Its totient is φ = 122766504.

The previous prime is 245533003. The next prime is 245533019. The reversal of 245533012 is 210335542.

It can be written as a sum of positive squares in only one way, i.e., 212401476 + 33131536 = 14574^2 + 5756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245533019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30691623 + ... + 30691630.

Almost surely, 2^245533012 is an apocalyptic number.

It is an amenable number.

245533012 is a deficient number, since it is larger than the sum of its proper divisors (184149766).

245533012 is a wasteful number, since it uses less digits than its factorization.

245533012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61383257 (or 61383255 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 245533012 is about 15669.4930358324. The cubic root of 245533012 is about 626.1859185722.

Adding to 245533012 its reverse (210335542), we get a palindrome (455868554).

The spelling of 245533012 in words is "two hundred forty-five million, five hundred thirty-three thousand, twelve".