245274373541 has 4 divisors (see below), whose sum is σ = 245297893452. Its totient is φ = 245250853632.

The previous prime is 245274373537. The next prime is 245274373567. The reversal of 245274373541 is 145373472542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 172511469025 + 72762904516 = 415345^2 + 269746^2 .

It is a cyclic number.

It is not a de Polignac number, because 245274373541 - 2² = 245274373537 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 (245274313541) 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, 11744306 + ... + 11765171.

It is an arithmetic number, because the mean of its divisors is an integer number (61324473363).

Almost surely, 2^245274373541 is an apocalyptic number.

It is an amenable number.

245274373541 is a deficient number, since it is larger than the sum of its proper divisors (23519911).

245274373541 is a wasteful number, since it uses less digits than its factorization.

245274373541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23519910.

The product of its digits is 2822400, while the sum is 47.

Subtracting from 245274373541 its reverse (145373472542), we obtain a palindrome (99900900999).

The spelling of 245274373541 in words is "two hundred forty-five billion, two hundred seventy-four million, three hundred seventy-three thousand, five hundred forty-one".