1954009252 has 24 divisors (see below), whose sum is σ = 3842669376. Its totient is φ = 862639008.

The previous prime is 1954009249. The next prime is 1954009271. The reversal of 1954009252 is 2529004591.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815698 + ... + 818089.

It is an arithmetic number, because the mean of its divisors is an integer number (160111224).

Almost surely, 2^1954009252 is an apocalyptic number.

It is an amenable number.

1954009252 is a deficient number, since it is larger than the sum of its proper divisors (1888660124).

1954009252 is a wasteful number, since it uses less digits than its factorization.

1954009252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633827 (or 1633825 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 1954009252 is about 44204.1768614686. The cubic root of 1954009252 is about 1250.1886119657.

The spelling of 1954009252 in words is "one billion, nine hundred fifty-four million, nine thousand, two hundred fifty-two".