373978253 has 8 divisors (see below), whose sum is σ = 408191616. Its totient is φ = 339800800.

The previous prime is 373978247. The next prime is 373978259. The reversal of 373978253 is 352879373.

It is an interprime number because it is at equal distance from previous prime (373978247) and next prime (373978259).

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 373978253 - 2¹⁶ = 373912717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 373978198 and 373978207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (373978259) 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, 15788 + ... + 31578.

It is an arithmetic number, because the mean of its divisors is an integer number (51023952).

Almost surely, 2^373978253 is an apocalyptic number.

It is an amenable number.

373978253 is a deficient number, since it is larger than the sum of its proper divisors (34213363).

373978253 is a wasteful number, since it uses less digits than its factorization.

373978253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17955.

The product of its digits is 952560, while the sum is 47.

The square root of 373978253 is about 19338.5173423404. The cubic root of 373978253 is about 720.4692497908.

The spelling of 373978253 in words is "three hundred seventy-three million, nine hundred seventy-eight thousand, two hundred fifty-three".