625225680139 has 4 divisors (see below), whose sum is σ = 626618165400. Its totient is φ = 623833194880.

The previous prime is 625225680113. The next prime is 625225680143. The reversal of 625225680139 is 931086522526.

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

It is a cyclic number.

It is not a de Polignac number, because 625225680139 - 2⁹ = 625225679627 is a prime.

It is a super-2 number, since 2×625225680139² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 625225680092 and 625225680101.

It is not an unprimeable number, because it can be changed into a prime (625225680109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696241957 + ... + 696242854.

It is an arithmetic number, because the mean of its divisors is an integer number (156654541350).

Almost surely, 2^625225680139 is an apocalyptic number.

625225680139 is a deficient number, since it is larger than the sum of its proper divisors (1392485261).

625225680139 is a wasteful number, since it uses less digits than its factorization.

625225680139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392485260.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 625225680139 in words is "six hundred twenty-five billion, two hundred twenty-five million, six hundred eighty thousand, one hundred thirty-nine".