245245501 has 4 divisors (see below), whose sum is σ = 245352604. Its totient is φ = 245138400.

The previous prime is 245245447. The next prime is 245245523. The reversal of 245245501 is 105542542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93586276 + 151659225 = 9674^2 + 12315^2 .

It is a cyclic number.

It is not a de Polignac number, because 245245501 - 2¹⁵ = 245212733 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 245245501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245245541) 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, 50040 + ... + 54721.

It is an arithmetic number, because the mean of its divisors is an integer number (61338151).

Almost surely, 2^245245501 is an apocalyptic number.

It is an amenable number.

245245501 is a deficient number, since it is larger than the sum of its proper divisors (107103).

245245501 is a wasteful number, since it uses less digits than its factorization.

245245501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107102.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 245245501 is about 15660.3161206918. The cubic root of 245245501 is about 625.9414088072.

The spelling of 245245501 in words is "two hundred forty-five million, two hundred forty-five thousand, five hundred one".