245525513 has 8 divisors (see below), whose sum is σ = 254210880. Its totient is φ = 236854800.

The previous prime is 245525479. The next prime is 245525531. The reversal of 245525513 is 315525542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245525513 - 2¹² = 245521417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245525513.

It is not an unprimeable number, because it can be changed into a prime (245525573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39038 + ... + 44888.

It is an arithmetic number, because the mean of its divisors is an integer number (31776360).

Almost surely, 2^245525513 is an apocalyptic number.

It is an amenable number.

245525513 is a deficient number, since it is larger than the sum of its proper divisors (8685367).

245525513 is a wasteful number, since it uses less digits than its factorization.

245525513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7327.

The product of its digits is 30000, while the sum is 32.

The square root of 245525513 is about 15669.2537473870. The cubic root of 245525513 is about 626.1795435760.

The spelling of 245525513 in words is "two hundred forty-five million, five hundred twenty-five thousand, five hundred thirteen".