1432520403 has 4 divisors (see below), whose sum is σ = 1910027208. Its totient is φ = 955013600.

The previous prime is 1432520399. The next prime is 1432520423. The reversal of 1432520403 is 3040252341.

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 1432520403 - 2² = 1432520399 is a prime.

It is a super-2 number, since 2×1432520403² = 4104229410022564818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1432520423) 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, 238753398 + ... + 238753403.

It is an arithmetic number, because the mean of its divisors is an integer number (477506802).

Almost surely, 2^1432520403 is an apocalyptic number.

1432520403 is a deficient number, since it is larger than the sum of its proper divisors (477506805).

1432520403 is an equidigital number, since it uses as much as digits as its factorization.

1432520403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477506804.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1432520403 is about 37848.6512705539. The cubic root of 1432520403 is about 1127.2846813116.

Adding to 1432520403 its reverse (3040252341), we get a palindrome (4472772744).

The spelling of 1432520403 in words is "one billion, four hundred thirty-two million, five hundred twenty thousand, four hundred three".