245101513 has 4 divisors (see below), whose sum is σ = 245134080. Its totient is φ = 245068948.

The previous prime is 245101499. The next prime is 245101523. The reversal of 245101513 is 315101542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 245101513 - 2⁵ = 245101481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245101523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428 + ... + 22186.

It is an arithmetic number, because the mean of its divisors is an integer number (61283520).

Almost surely, 2^245101513 is an apocalyptic number.

It is an amenable number.

245101513 is a deficient number, since it is larger than the sum of its proper divisors (32567).

245101513 is a wasteful number, since it uses less digits than its factorization.

245101513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32566.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 245101513 is about 15655.7182205097. The cubic root of 245101513 is about 625.8188843768.

The spelling of 245101513 in words is "two hundred forty-five million, one hundred one thousand, five hundred thirteen".