372268021 has 2 divisors, whose sum is σ = 372268022. Its totient is φ = 372268020.

The previous prime is 372267979. The next prime is 372268067. The reversal of 372268021 is 120862273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372065521 + 202500 = 19289^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 372268021 - 2¹⁷ = 372136949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (372268081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186134010 + 186134011.

It is an arithmetic number, because the mean of its divisors is an integer number (186134011).

Almost surely, 2^372268021 is an apocalyptic number.

It is an amenable number.

372268021 is a deficient number, since it is larger than the sum of its proper divisors (1).

372268021 is an equidigital number, since it uses as much as digits as its factorization.

372268021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 372268021 is about 19294.2483916840. The cubic root of 372268021 is about 719.3693171859.

The spelling of 372268021 in words is "three hundred seventy-two million, two hundred sixty-eight thousand, twenty-one".