245525011 has 4 divisors (see below), whose sum is σ = 258447400. Its totient is φ = 232602624.

The previous prime is 245525003. The next prime is 245525017. The reversal of 245525011 is 110525542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110525542 = 2 ⋅55262771.

It is a cyclic number.

It is not a de Polignac number, because 245525011 - 2³ = 245525003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245525017) 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 3 ways as a sum of consecutive naturals, for example, 6461166 + ... + 6461203.

It is an arithmetic number, because the mean of its divisors is an integer number (64611850).

Almost surely, 2^245525011 is an apocalyptic number.

245525011 is a deficient number, since it is larger than the sum of its proper divisors (12922389).

245525011 is a wasteful number, since it uses less digits than its factorization.

245525011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12922388.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 245525011 is about 15669.2377287474. The cubic root of 245525011 is about 626.1791168148.

The spelling of 245525011 in words is "two hundred forty-five million, five hundred twenty-five thousand, eleven".