1425894311 has 4 divisors (see below), whose sum is σ = 1500941400. Its totient is φ = 1350847224.

The previous prime is 1425894307. The next prime is 1425894347. The reversal of 1425894311 is 1134985241.

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 1425894311 - 2² = 1425894307 is a prime.

It is a super-2 number, since 2×1425894311² = 4066349172284329442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425894511) 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, 37523516 + ... + 37523553.

It is an arithmetic number, because the mean of its divisors is an integer number (375235350).

Almost surely, 2^1425894311 is an apocalyptic number.

1425894311 is a deficient number, since it is larger than the sum of its proper divisors (75047089).

1425894311 is an equidigital number, since it uses as much as digits as its factorization.

1425894311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75047088.

The product of its digits is 34560, while the sum is 38.

The square root of 1425894311 is about 37761.0157569947. The cubic root of 1425894311 is about 1125.5439176579.

The spelling of 1425894311 in words is "one billion, four hundred twenty-five million, eight hundred ninety-four thousand, three hundred eleven".