1954881425 has 48 divisors (see below), whose sum is σ = 2940883200. Its totient is φ = 1258383360.

The previous prime is 1954881419. The next prime is 1954881427. The reversal of 1954881425 is 5241884591.

It is not a de Polignac number, because 1954881425 - 2⁸ = 1954881169 is a prime.

It is a super-2 number, since 2×1954881425² = 7643122771620061250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1954881425.

It is not an unprimeable number, because it can be changed into a prime (1954881427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1781477 + ... + 1782573.

It is an arithmetic number, because the mean of its divisors is an integer number (61268400).

Almost surely, 2^1954881425 is an apocalyptic number.

It is an amenable number.

1954881425 is a deficient number, since it is larger than the sum of its proper divisors (986001775).

1954881425 is a wasteful number, since it uses less digits than its factorization.

1954881425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730 (or 1725 counting only the distinct ones).

The product of its digits is 460800, while the sum is 47.

The square root of 1954881425 is about 44214.0410390184. The cubic root of 1954881425 is about 1250.3745917336.

The spelling of 1954881425 in words is "one billion, nine hundred fifty-four million, eight hundred eighty-one thousand, four hundred twenty-five".