61303008201 has 4 divisors (see below), whose sum is σ = 81737344272. Its totient is φ = 40868672132.

The previous prime is 61303008199. The next prime is 61303008203. The reversal of 61303008201 is 10280030316.

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 an interprime number because it is at equal distance from previous prime (61303008199) and next prime (61303008203).

It is a cyclic number.

It is not a de Polignac number, because 61303008201 - 2¹ = 61303008199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61303008203) 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, 10217168031 + ... + 10217168036.

It is an arithmetic number, because the mean of its divisors is an integer number (20434336068).

Almost surely, 2^61303008201 is an apocalyptic number.

It is an amenable number.

61303008201 is a deficient number, since it is larger than the sum of its proper divisors (20434336071).

61303008201 is a wasteful number, since it uses less digits than its factorization.

61303008201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20434336070.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 61303008201 its reverse (10280030316), we get a palindrome (71583038517).

The spelling of 61303008201 in words is "sixty-one billion, three hundred three million, eight thousand, two hundred one".