245525474 has 4 divisors (see below), whose sum is σ = 368288214. Its totient is φ = 122762736.

The previous prime is 245525473. The next prime is 245525477. The reversal of 245525474 is 474525542.

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., 125776225 + 119749249 = 11215^2 + 10943^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245525471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61381367 + ... + 61381370.

Almost surely, 2^245525474 is an apocalyptic number.

245525474 is a deficient number, since it is larger than the sum of its proper divisors (122762740).

245525474 is a wasteful number, since it uses less digits than its factorization.

245525474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122762739.

The product of its digits is 224000, while the sum is 38.

The square root of 245525474 is about 15669.2525029116. The cubic root of 245525474 is about 626.1795104213.

The spelling of 245525474 in words is "two hundred forty-five million, five hundred twenty-five thousand, four hundred seventy-four".