372420553 has 2 divisors, whose sum is σ = 372420554. Its totient is φ = 372420552.

The previous prime is 372420551. The next prime is 372420557. The reversal of 372420553 is 355024273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372219849 + 200704 = 19293^2 + 448^2 .

It is an emirp because it is prime and its reverse (355024273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 372420553 - 2¹ = 372420551 is a prime.

Together with 372420551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (372420551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186210276 + 186210277.

It is an arithmetic number, because the mean of its divisors is an integer number (186210277).

Almost surely, 2^372420553 is an apocalyptic number.

It is an amenable number.

372420553 is a deficient number, since it is larger than the sum of its proper divisors (1).

372420553 is an equidigital number, since it uses as much as digits as its factorization.

372420553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 372420553 is about 19298.2007710564. The cubic root of 372420553 is about 719.4675545234.

The spelling of 372420553 in words is "three hundred seventy-two million, four hundred twenty thousand, five hundred fifty-three".