1427573501 has 2 divisors, whose sum is σ = 1427573502. Its totient is φ = 1427573500.

The previous prime is 1427573447. The next prime is 1427573503. The reversal of 1427573501 is 1053757241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1426195225 + 1378276 = 37765^2 + 1174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1427573501 is a prime.

It is a super-2 number, since 2×1427573501² = 4075932201514794002, which contains 22 as substring.

Together with 1427573503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427573503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713786750 + 713786751.

It is an arithmetic number, because the mean of its divisors is an integer number (713786751).

Almost surely, 2^1427573501 is an apocalyptic number.

It is an amenable number.

1427573501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427573501 is an equidigital number, since it uses as much as digits as its factorization.

1427573501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 1427573501 is about 37783.2436537680. The cubic root of 1427573501 is about 1125.9855727997.

The spelling of 1427573501 in words is "one billion, four hundred twenty-seven million, five hundred seventy-three thousand, five hundred one".