1625503343234 has 4 divisors (see below), whose sum is σ = 2438255014854. Its totient is φ = 812751671616.

The previous prime is 1625503343173. The next prime is 1625503343293. The reversal of 1625503343234 is 4323433055261.

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

It can be written as a sum of positive squares in only one way, i.e., 1075985066209 + 549518277025 = 1037297^2 + 741295^2 .

It is a super-2 number, since 2×1625503343234² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1625503343191 and 1625503343200.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406375835807 + ... + 406375835810.

Almost surely, 2^{1625503343234} is an apocalyptic number.

1625503343234 is a deficient number, since it is larger than the sum of its proper divisors (812751671620).

1625503343234 is an equidigital number, since it uses as much as digits as its factorization.

1625503343234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812751671619.

The product of its (nonzero) digits is 777600, while the sum is 41.

Adding to 1625503343234 its reverse (4323433055261), we get a palindrome (5948936398495).

The spelling of 1625503343234 in words is "one trillion, six hundred twenty-five billion, five hundred three million, three hundred forty-three thousand, two hundred thirty-four".