872151403 has 4 divisors (see below), whose sum is σ = 872286408. Its totient is φ = 872016400.

The previous prime is 872151373. The next prime is 872151431. The reversal of 872151403 is 304151278.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 872151403 - 2¹³ = 872143211 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872151443) 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, 57298 + ... + 70903.

It is an arithmetic number, because the mean of its divisors is an integer number (218071602).

Almost surely, 2^872151403 is an apocalyptic number.

872151403 is a deficient number, since it is larger than the sum of its proper divisors (135005).

872151403 is a wasteful number, since it uses less digits than its factorization.

872151403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135004.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 872151403 is about 29532.2095854679. The cubic root of 872151403 is about 955.4265258479.

The spelling of 872151403 in words is "eight hundred seventy-two million, one hundred fifty-one thousand, four hundred three".