2051754907 has 4 divisors (see below), whose sum is σ = 2053250640. Its totient is φ = 2050259176.

The previous prime is 2051754857. The next prime is 2051754941. The reversal of 2051754907 is 7094571502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7094571502 = 2 ⋅3547285751.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2051754907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2051754907.

It is not an unprimeable number, because it can be changed into a prime (2051751907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745807 + ... + 748552.

It is an arithmetic number, because the mean of its divisors is an integer number (513312660).

Almost surely, 2^2051754907 is an apocalyptic number.

2051754907 is a deficient number, since it is larger than the sum of its proper divisors (1495733).

2051754907 is a wasteful number, since it uses less digits than its factorization.

2051754907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495732.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 2051754907 is about 45296.3012507644. The cubic root of 2051754907 is about 1270.6964801475.

The spelling of 2051754907 in words is "two billion, fifty-one million, seven hundred fifty-four thousand, nine hundred seven".