1425052401 has 4 divisors (see below), whose sum is σ = 1900069872. Its totient is φ = 950034932.

The previous prime is 1425052399. The next prime is 1425052403. The reversal of 1425052401 is 1042505241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1042505241 = 3 ⋅347501747.

It is an interprime number because it is at equal distance from previous prime (1425052399) and next prime (1425052403).

It is a cyclic number.

It is not a de Polignac number, because 1425052401 - 2¹ = 1425052399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1425052403) 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, 237508731 + ... + 237508736.

It is an arithmetic number, because the mean of its divisors is an integer number (475017468).

Almost surely, 2^1425052401 is an apocalyptic number.

It is an amenable number.

1425052401 is a deficient number, since it is larger than the sum of its proper divisors (475017471).

1425052401 is an equidigital number, since it uses as much as digits as its factorization.

1425052401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475017470.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1425052401 is about 37749.8662381736. The cubic root of 1425052401 is about 1125.3223506885.

Adding to 1425052401 its reverse (1042505241), we get a palindrome (2467557642).

It can be divided in two parts, 142505240 and 1, that added together give a palindrome (142505241).

The spelling of 1425052401 in words is "one billion, four hundred twenty-five million, fifty-two thousand, four hundred one".