15345330253 has 4 divisors (see below), whose sum is σ = 16740360288. Its totient is φ = 13950300220.

The previous prime is 15345330241. The next prime is 15345330281. The reversal of 15345330253 is 35203354351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35203354351 = 11 ⋅3200304941.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15345330253 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 (15345330293) 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, 697515001 + ... + 697515022.

It is an arithmetic number, because the mean of its divisors is an integer number (4185090072).

Almost surely, 2^15345330253 is an apocalyptic number.

It is an amenable number.

15345330253 is a deficient number, since it is larger than the sum of its proper divisors (1395030035).

15345330253 is a wasteful number, since it uses less digits than its factorization.

15345330253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395030034.

The product of its (nonzero) digits is 81000, while the sum is 34.

The spelling of 15345330253 in words is "fifteen billion, three hundred forty-five million, three hundred thirty thousand, two hundred fifty-three".