245332373261 has 8 divisors (see below), whose sum is σ = 259982163000. Its totient is φ = 231095253760.

The previous prime is 245332373257. The next prime is 245332373291. The reversal of 245332373261 is 162373233542.

It can be written as a sum of positive squares in 4 ways, for example, as 53023812361 + 192308560900 = 230269^2 + 438530^2 .

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 245332373261 - 2² = 245332373257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245332373201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103166336 + ... + 103168713.

It is an arithmetic number, because the mean of its divisors is an integer number (32497770375).

Almost surely, 2^245332373261 is an apocalyptic number.

It is an amenable number.

245332373261 is a deficient number, since it is larger than the sum of its proper divisors (14649789739).

245332373261 is a wasteful number, since it uses less digits than its factorization.

245332373261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206335119.

The product of its digits is 544320, while the sum is 41.

The spelling of 245332373261 in words is "two hundred forty-five billion, three hundred thirty-two million, three hundred seventy-three thousand, two hundred sixty-one".