972162019 has 2 divisors, whose sum is σ = 972162020. Its totient is φ = 972162018.

The previous prime is 972162007. The next prime is 972162031. The reversal of 972162019 is 910261279.

It is a balanced prime because it is at equal distance from previous prime (972162007) and next prime (972162031).

It is a cyclic number.

It is not a de Polignac number, because 972162019 - 2¹⁹ = 971637731 is a prime.

It is a super-2 number, since 2×972162019² = 1890197982372312722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (972162319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486081009 + 486081010.

It is an arithmetic number, because the mean of its divisors is an integer number (486081010).

Almost surely, 2^972162019 is an apocalyptic number.

972162019 is a deficient number, since it is larger than the sum of its proper divisors (1).

972162019 is an equidigital number, since it uses as much as digits as its factorization.

972162019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 972162019 is about 31179.5128088942. The cubic root of 972162019 is about 990.6332101858.

It can be divided in two parts, 97216 and 2019, that added together give a triangular number (99235 = T₄₄₅).

The spelling of 972162019 in words is "nine hundred seventy-two million, one hundred sixty-two thousand, nineteen".