1001437425 has 60 divisors (see below), whose sum is σ = 1919086620. Its totient is φ = 515652480.

The previous prime is 1001437403. The next prime is 1001437429. The reversal of 1001437425 is 5247341001.

It can be written as a sum of positive squares in 6 ways, for example, as 38452401 + 962985024 = 6201^2 + 31032^2 .

It is not a de Polignac number, because 1001437425 - 2¹⁷ = 1001306353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1001437429) 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 59 ways as a sum of consecutive naturals, for example, 50199 + ... + 67251.

It is an arithmetic number, because the mean of its divisors is an integer number (31984777).

Almost surely, 2^1001437425 is an apocalyptic number.

1001437425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001437425 is a deficient number, since it is larger than the sum of its proper divisors (917649195).

1001437425 is a wasteful number, since it uses less digits than its factorization.

1001437425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17104 (or 17090 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1001437425 is about 31645.4961250412. The cubic root of 1001437425 is about 1000.4789122731.

Adding to 1001437425 its reverse (5247341001), we get a palindrome (6248778426).

The spelling of 1001437425 in words is "one billion, one million, four hundred thirty-seven thousand, four hundred twenty-five".