1401452503 has 8 divisors (see below), whose sum is σ = 1529844480. Its totient is φ = 1273225080.

The previous prime is 1401452497. The next prime is 1401452513. The reversal of 1401452503 is 3052541041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1401452503 - 2⁵ = 1401452471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401452513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22975 + ... + 57712.

It is an arithmetic number, because the mean of its divisors is an integer number (191230560).

Almost surely, 2^1401452503 is an apocalyptic number.

1401452503 is a deficient number, since it is larger than the sum of its proper divisors (128391977).

1401452503 is a wasteful number, since it uses less digits than its factorization.

1401452503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82277.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1401452503 is about 37435.9787236824. The cubic root of 1401452503 is about 1119.0756890868.

Adding to 1401452503 its reverse (3052541041), we get a palindrome (4453993544).

The spelling of 1401452503 in words is "one billion, four hundred one million, four hundred fifty-two thousand, five hundred three".