1958262625 has 16 divisors (see below), whose sum is σ = 2666087424. Its totient is φ = 1424190000.

The previous prime is 1958262587. The next prime is 1958262659. The reversal of 1958262625 is 5262628591.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1958262625 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 710721 + ... + 713470.

It is an arithmetic number, because the mean of its divisors is an integer number (166630464).

Almost surely, 2^1958262625 is an apocalyptic number.

It is an amenable number.

1958262625 is a deficient number, since it is larger than the sum of its proper divisors (707824799).

1958262625 is a wasteful number, since it uses less digits than its factorization.

1958262625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424217 (or 1424207 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 1958262625 is about 44252.2612416586. The cubic root of 1958262625 is about 1251.0950670490.

The spelling of 1958262625 in words is "one billion, nine hundred fifty-eight million, two hundred sixty-two thousand, six hundred twenty-five".