1602400253 has 8 divisors (see below), whose sum is σ = 1654019136. Its totient is φ = 1551378400.

The previous prime is 1602400183. The next prime is 1602400259. The reversal of 1602400253 is 3520042061.

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 1602400253 - 2¹⁴ = 1602383869 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 (1602400259) 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, 143801 + ... + 154542.

It is an arithmetic number, because the mean of its divisors is an integer number (206752392).

Almost surely, 2^1602400253 is an apocalyptic number.

It is an amenable number.

1602400253 is a deficient number, since it is larger than the sum of its proper divisors (51618883).

1602400253 is a wasteful number, since it uses less digits than its factorization.

1602400253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298515.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1602400253 is about 40029.9919185603. The cubic root of 1602400253 is about 1170.1916682609.

The spelling of 1602400253 in words is "one billion, six hundred two million, four hundred thousand, two hundred fifty-three".