245130653 has 8 divisors (see below), whose sum is σ = 249270840. Its totient is φ = 241021440.

The previous prime is 245130637. The next prime is 245130703. The reversal of 245130653 is 356031542.

It can be written as a sum of positive squares in 4 ways, for example, as 1708249 + 243422404 = 1307^2 + 15602^2 .

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 245130653 - 2⁴ = 245130637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245130953) 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, 8501 + ... + 23717.

It is an arithmetic number, because the mean of its divisors is an integer number (31158855).

Almost surely, 2^245130653 is an apocalyptic number.

It is an amenable number.

245130653 is a deficient number, since it is larger than the sum of its proper divisors (4140187).

245130653 is a wasteful number, since it uses less digits than its factorization.

245130653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15487.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 245130653 is about 15656.6488432231. The cubic root of 245130653 is about 625.8436844952.

The spelling of 245130653 in words is "two hundred forty-five million, one hundred thirty thousand, six hundred fifty-three".