245610061 has 4 divisors (see below), whose sum is σ = 245809852. Its totient is φ = 245410272.

The previous prime is 245610037. The next prime is 245610103. The reversal of 245610061 is 160016542.

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 214036900 + 31573161 = 14630^2 + 5619^2 .

It is a cyclic number.

It is not a de Polignac number, because 245610061 - 2⁷ = 245609933 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 (245610661) 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, 98040 + ... + 100513.

It is an arithmetic number, because the mean of its divisors is an integer number (61452463).

Almost surely, 2^245610061 is an apocalyptic number.

It is an amenable number.

245610061 is a deficient number, since it is larger than the sum of its proper divisors (199791).

245610061 is a wasteful number, since it uses less digits than its factorization.

245610061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199790.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 245610061 is about 15671.9514100829. The cubic root of 245610061 is about 626.2514113989.

The spelling of 245610061 in words is "two hundred forty-five million, six hundred ten thousand, sixty-one".