1425533477 has 2 divisors, whose sum is σ = 1425533478. Its totient is φ = 1425533476.

The previous prime is 1425533429. The next prime is 1425533479. The reversal of 1425533477 is 7743355241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1251319876 + 174213601 = 35374^2 + 13199^2 .

It is an emirp because it is prime and its reverse (7743355241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1425533477 - 2⁶ = 1425533413 is a prime.

Together with 1425533479, 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 (1425533479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712766738 + 712766739.

It is an arithmetic number, because the mean of its divisors is an integer number (712766739).

Almost surely, 2^1425533477 is an apocalyptic number.

It is an amenable number.

1425533477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425533477 is an equidigital number, since it uses as much as digits as its factorization.

1425533477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 41.

The square root of 1425533477 is about 37756.2375906287. The cubic root of 1425533477 is about 1125.4489670074.

The spelling of 1425533477 in words is "one billion, four hundred twenty-five million, five hundred thirty-three thousand, four hundred seventy-seven".