2053345402 has 8 divisors (see below), whose sum is σ = 3085931412. Its totient is φ = 1024701600.

The previous prime is 2053345397. The next prime is 2053345423. The reversal of 2053345402 is 2045433502.

It can be written as a sum of positive squares in 2 ways, for example, as 2051274681 + 2070721 = 45291^2 + 1439^2 .

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

It is a super-3 number, since 3×2053345402³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984249 + ... + 986332.

Almost surely, 2^2053345402 is an apocalyptic number.

2053345402 is a deficient number, since it is larger than the sum of its proper divisors (1032586010).

2053345402 is a wasteful number, since it uses less digits than its factorization.

2053345402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971104.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 2053345402 is about 45313.8544156200. The cubic root of 2053345402 is about 1271.0247380677.

Adding to 2053345402 its reverse (2045433502), we get a palindrome (4098778904).

The spelling of 2053345402 in words is "two billion, fifty-three million, three hundred forty-five thousand, four hundred two".