1403215241 has 4 divisors (see below), whose sum is σ = 1485757332. Its totient is φ = 1320673152.

The previous prime is 1403215213. The next prime is 1403215339. The reversal of 1403215241 is 1425123041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1425123041 = 31 ⋅45971711.

It can be written as a sum of positive squares in 2 ways, for example, as 429525625 + 973689616 = 20725^2 + 31204^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1403215241 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 (1403211241) 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, 41271020 + ... + 41271053.

It is an arithmetic number, because the mean of its divisors is an integer number (371439333).

Almost surely, 2^1403215241 is an apocalyptic number.

It is an amenable number.

1403215241 is a deficient number, since it is larger than the sum of its proper divisors (82542091).

1403215241 is an equidigital number, since it uses as much as digits as its factorization.

1403215241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82542090.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1403215241 is about 37459.5146925317. The cubic root of 1403215241 is about 1119.5446812594.

Adding to 1403215241 its reverse (1425123041), we get a palindrome (2828338282).

The spelling of 1403215241 in words is "one billion, four hundred three million, two hundred fifteen thousand, two hundred forty-one".