2051017154 has 8 divisors (see below), whose sum is σ = 3081915408. Its totient is φ = 1023712020.

The previous prime is 2051017127. The next prime is 2051017231. The reversal of 2051017154 is 4517101502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896852 + ... + 899135.

It is an arithmetic number, because the mean of its divisors is an integer number (385239426).

Almost surely, 2^2051017154 is an apocalyptic number.

2051017154 is a deficient number, since it is larger than the sum of its proper divisors (1030898254).

2051017154 is a wasteful number, since it uses less digits than its factorization.

2051017154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796560.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 2051017154 is about 45288.1568845543. The cubic root of 2051017154 is about 1270.5441597248.

Adding to 2051017154 its reverse (4517101502), we get a palindrome (6568118656).

The spelling of 2051017154 in words is "two billion, fifty-one million, seventeen thousand, one hundred fifty-four".