2154031504 has 10 divisors (see below), whose sum is σ = 4173436070. Its totient is φ = 1077015744.

The previous prime is 2154031493. The next prime is 2154031507. The reversal of 2154031504 is 4051304512.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2002741504 + 151290000 = 44752^2 + 12300^2 .

It is not an unprimeable number, because it can be changed into a prime (2154031507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67313469 + ... + 67313500.

It is an arithmetic number, because the mean of its divisors is an integer number (417343607).

Almost surely, 2^2154031504 is an apocalyptic number.

It is an amenable number.

2154031504 is a deficient number, since it is larger than the sum of its proper divisors (2019404566).

2154031504 is a wasteful number, since it uses less digits than its factorization.

2154031504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134626977 (or 134626971 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2154031504 is about 46411.5449430419. The cubic root of 2154031504 is about 1291.4690920965.

The spelling of 2154031504 in words is "two billion, one hundred fifty-four million, thirty-one thousand, five hundred four".