1425164677 has 2 divisors, whose sum is σ = 1425164678. Its totient is φ = 1425164676.

The previous prime is 1425164579. The next prime is 1425164681. The reversal of 1425164677 is 7764615241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 865889476 + 559275201 = 29426^2 + 23649^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425164677 - 2⁷ = 1425164549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425164687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712582338 + 712582339.

It is an arithmetic number, because the mean of its divisors is an integer number (712582339).

Almost surely, 2^1425164677 is an apocalyptic number.

It is an amenable number.

1425164677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425164677 is an equidigital number, since it uses as much as digits as its factorization.

1425164677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 1425164677 is about 37751.3533134906. The cubic root of 1425164677 is about 1125.3519036074.

The spelling of 1425164677 in words is "one billion, four hundred twenty-five million, one hundred sixty-four thousand, six hundred seventy-seven".