1403436225 has 12 divisors (see below), whose sum is σ = 2320348016. Its totient is φ = 748499280.

The previous prime is 1403436161. The next prime is 1403436227. The reversal of 1403436225 is 5226343041.

1403436225 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1403436225 - 2⁶ = 1403436161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1403436192 and 1403436201.

It is not an unprimeable number, because it can be changed into a prime (1403436227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9356167 + ... + 9356316.

Almost surely, 2^1403436225 is an apocalyptic number.

1403436225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1403436225 is a deficient number, since it is larger than the sum of its proper divisors (916911791).

1403436225 is a wasteful number, since it uses less digits than its factorization.

1403436225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18712496 (or 18712491 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1403436225 is about 37462.4642141971. The cubic root of 1403436225 is about 1119.6034483130.

Adding to 1403436225 its reverse (5226343041), we get a palindrome (6629779266).

The spelling of 1403436225 in words is "one billion, four hundred three million, four hundred thirty-six thousand, two hundred twenty-five".