2154012501 has 16 divisors (see below), whose sum is σ = 3029019840. Its totient is φ = 1357799040.

The previous prime is 2154012481. The next prime is 2154012521. The reversal of 2154012501 is 1052104512.

It is an interprime number because it is at equal distance from previous prime (2154012481) and next prime (2154012521).

It is not a de Polignac number, because 2154012501 - 2¹⁵ = 2153979733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154012521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6570 + ... + 65963.

It is an arithmetic number, because the mean of its divisors is an integer number (189313740).

Almost surely, 2^2154012501 is an apocalyptic number.

It is an amenable number.

2154012501 is a deficient number, since it is larger than the sum of its proper divisors (875007339).

2154012501 is a wasteful number, since it uses less digits than its factorization.

2154012501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73076.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2154012501 is about 46411.3402198213. The cubic root of 2154012501 is about 1291.4652942784.

The spelling of 2154012501 in words is "two billion, one hundred fifty-four million, twelve thousand, five hundred one".