1425225247 has 2 divisors, whose sum is σ = 1425225248. Its totient is φ = 1425225246.

The previous prime is 1425225233. The next prime is 1425225251. The reversal of 1425225247 is 7425225241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1425225247 - 2²⁷ = 1291007519 is a prime.

It is a super-2 number, since 2×1425225247² = 4062534009372422018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425225257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712612623 + 712612624.

It is an arithmetic number, because the mean of its divisors is an integer number (712612624).

Almost surely, 2^1425225247 is an apocalyptic number.

1425225247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425225247 is an equidigital number, since it uses as much as digits as its factorization.

1425225247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44800, while the sum is 34.

The square root of 1425225247 is about 37752.1555278636. The cubic root of 1425225247 is about 1125.3678459988.

The spelling of 1425225247 in words is "one billion, four hundred twenty-five million, two hundred twenty-five thousand, two hundred forty-seven".