1425651299 has 2 divisors, whose sum is σ = 1425651300. Its totient is φ = 1425651298.

The previous prime is 1425651257. The next prime is 1425651319. The reversal of 1425651299 is 9921565241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1425651299 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1425651499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712825649 + 712825650.

It is an arithmetic number, because the mean of its divisors is an integer number (712825650).

Almost surely, 2^1425651299 is an apocalyptic number.

1425651299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425651299 is an equidigital number, since it uses as much as digits as its factorization.

1425651299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 44.

The square root of 1425651299 is about 37757.7978568666. The cubic root of 1425651299 is about 1125.4799727086.

The spelling of 1425651299 in words is "one billion, four hundred twenty-five million, six hundred fifty-one thousand, two hundred ninety-nine".