1401505253 has 8 divisors (see below), whose sum is σ = 1463381376. Its totient is φ = 1339707600.

The previous prime is 1401505247. The next prime is 1401505283. The reversal of 1401505253 is 3525051041.

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 1401505253 - 2¹⁰ = 1401504229 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 (1401505283) 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, 18488 + ... + 56078.

It is an arithmetic number, because the mean of its divisors is an integer number (182922672).

Almost surely, 2^1401505253 is an apocalyptic number.

It is an amenable number.

1401505253 is a deficient number, since it is larger than the sum of its proper divisors (61876123).

1401505253 is a wasteful number, since it uses less digits than its factorization.

1401505253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39235.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1401505253 is about 37436.6832531943. The cubic root of 1401505253 is about 1119.0897294014.

Adding to 1401505253 its reverse (3525051041), we get a palindrome (4926556294).

The spelling of 1401505253 in words is "one billion, four hundred one million, five hundred five thousand, two hundred fifty-three".