245004026 has 4 divisors (see below), whose sum is σ = 367506042. Its totient is φ = 122502012.

The previous prime is 245004013. The next prime is 245004029. The reversal of 245004026 is 620400542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 156625225 + 88378801 = 12515^2 + 9401^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245003992 and 245004010.

It is not an unprimeable number, because it can be changed into a prime (245004029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61251005 + ... + 61251008.

Almost surely, 2^245004026 is an apocalyptic number.

245004026 is a deficient number, since it is larger than the sum of its proper divisors (122502016).

245004026 is a wasteful number, since it uses less digits than its factorization.

245004026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122502015.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 245004026 is about 15652.6044478227. The cubic root of 245004026 is about 625.7359020304.

Adding to 245004026 its reverse (620400542), we get a palindrome (865404568).

The spelling of 245004026 in words is "two hundred forty-five million, four thousand, twenty-six".