245521034 has 16 divisors (see below), whose sum is σ = 402026976. Its totient is φ = 111526800.

The previous prime is 245521009. The next prime is 245521037. The reversal of 245521034 is 430125542.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 245520994 and 245521012.

It is not an unprimeable number, because it can be changed into a prime (245521037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44264 + ... + 49500.

It is an arithmetic number, because the mean of its divisors is an integer number (25126686).

Almost surely, 2^245521034 is an apocalyptic number.

245521034 is a deficient number, since it is larger than the sum of its proper divisors (156505942).

245521034 is a wasteful number, since it uses less digits than its factorization.

245521034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7381.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 245521034 is about 15669.1108235279. The cubic root of 245521034 is about 626.1757358587.

Adding to 245521034 its reverse (430125542), we get a palindrome (675646576).

The spelling of 245521034 in words is "two hundred forty-five million, five hundred twenty-one thousand, thirty-four".