372433261 has 2 divisors, whose sum is σ = 372433262. Its totient is φ = 372433260.

The previous prime is 372433253. The next prime is 372433301. The reversal of 372433261 is 162334273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308529225 + 63904036 = 17565^2 + 7994^2 .

It is an emirp because it is prime and its reverse (162334273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 372433261 - 2³ = 372433253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (372433211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186216630 + 186216631.

It is an arithmetic number, because the mean of its divisors is an integer number (186216631).

Almost surely, 2^372433261 is an apocalyptic number.

It is an amenable number.

372433261 is a deficient number, since it is larger than the sum of its proper divisors (1).

372433261 is an equidigital number, since it uses as much as digits as its factorization.

372433261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 31.

The square root of 372433261 is about 19298.5300217400. The cubic root of 372433261 is about 719.4757378256.

It can be divided in two parts, 37243 and 3261, that added together give a palindrome (40504).

The spelling of 372433261 in words is "three hundred seventy-two million, four hundred thirty-three thousand, two hundred sixty-one".