245410513 has 4 divisors (see below), whose sum is σ = 246573808. Its totient is φ = 244247220.

The previous prime is 245410493. The next prime is 245410523. The reversal of 245410513 is 315014542.

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.

It is a cyclic number.

It is not a de Polignac number, because 245410513 - 2²¹ = 243313361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245410523) 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, 581331 + ... + 581752.

It is an arithmetic number, because the mean of its divisors is an integer number (61643452).

Almost surely, 2^245410513 is an apocalyptic number.

It is an amenable number.

245410513 is a deficient number, since it is larger than the sum of its proper divisors (1163295).

245410513 is a wasteful number, since it uses less digits than its factorization.

245410513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163294.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 245410513 is about 15665.5837107974. The cubic root of 245410513 is about 626.0817643372.

The spelling of 245410513 in words is "two hundred forty-five million, four hundred ten thousand, five hundred thirteen".