1425651199 has 4 divisors (see below), whose sum is σ = 1629315664. Its totient is φ = 1221986736.

The previous prime is 1425651167. The next prime is 1425651257. The reversal of 1425651199 is 9911565241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1425651199 - 2⁵ = 1425651167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425651109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101832222 + ... + 101832235.

It is an arithmetic number, because the mean of its divisors is an integer number (407328916).

Almost surely, 2^1425651199 is an apocalyptic number.

1425651199 is a deficient number, since it is larger than the sum of its proper divisors (203664465).

1425651199 is an equidigital number, since it uses as much as digits as its factorization.

1425651199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203664464.

The product of its digits is 97200, while the sum is 43.

The square root of 1425651199 is about 37757.7965326368. The cubic root of 1425651199 is about 1125.4799463936.

The spelling of 1425651199 in words is "one billion, four hundred twenty-five million, six hundred fifty-one thousand, one hundred ninety-nine".