1425400241 has 8 divisors (see below), whose sum is σ = 1510167240. Its totient is φ = 1340735488.

The previous prime is 1425400231. The next prime is 1425400259. The reversal of 1425400241 is 1420045241.

It can be written as a sum of positive squares in 4 ways, for example, as 700713841 + 724686400 = 26471^2 + 26920^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1425400241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1425400201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4145 + ... + 53553.

It is an arithmetic number, because the mean of its divisors is an integer number (188770905).

Almost surely, 2^1425400241 is an apocalyptic number.

It is an amenable number.

1425400241 is a deficient number, since it is larger than the sum of its proper divisors (84766999).

1425400241 is a wasteful number, since it uses less digits than its factorization.

1425400241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51123.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1425400241 is about 37754.4731257105. The cubic root of 1425400241 is about 1125.4139029435.

Adding to 1425400241 its reverse (1420045241), we get a palindrome (2845445482).

The spelling of 1425400241 in words is "one billion, four hundred twenty-five million, four hundred thousand, two hundred forty-one".