625700601101 has 4 divisors (see below), whose sum is σ = 625744837500. Its totient is φ = 625656364704.

The previous prime is 625700601091. The next prime is 625700601143. The reversal of 625700601101 is 101106007526.

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 395779392100 + 229921209001 = 629110^2 + 479501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625700601101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625700601161) 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, 22096976 + ... + 22125273.

It is an arithmetic number, because the mean of its divisors is an integer number (156436209375).

Almost surely, 2^625700601101 is an apocalyptic number.

It is an amenable number.

625700601101 is a deficient number, since it is larger than the sum of its proper divisors (44236399).

625700601101 is a wasteful number, since it uses less digits than its factorization.

625700601101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44236398.

The product of its (nonzero) digits is 2520, while the sum is 29.

Adding to 625700601101 its reverse (101106007526), we get a palindrome (726806608627).

The spelling of 625700601101 in words is "six hundred twenty-five billion, seven hundred million, six hundred one thousand, one hundred one".