1425504243 has 8 divisors (see below), whose sum is σ = 1910624256. Its totient is φ = 945360200.

The previous prime is 1425504239. The next prime is 1425504253. The reversal of 1425504243 is 3424055241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1425504243 - 2² = 1425504239 is a prime.

It is a super-2 number, since 2×1425504243² = 4064124693622006098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1425504243.

It is not an unprimeable number, because it can be changed into a prime (1425504233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243323 + ... + 1244468.

It is an arithmetic number, because the mean of its divisors is an integer number (238828032).

Almost surely, 2^1425504243 is an apocalyptic number.

1425504243 is a deficient number, since it is larger than the sum of its proper divisors (485120013).

1425504243 is a wasteful number, since it uses less digits than its factorization.

1425504243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487985.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1425504243 is about 37755.8504473148. The cubic root of 1425504243 is about 1125.4412736068.

Adding to 1425504243 its reverse (3424055241), we get a palindrome (4849559484).

The spelling of 1425504243 in words is "one billion, four hundred twenty-five million, five hundred four thousand, two hundred forty-three".