623750261 has 8 divisors (see below), whose sum is σ = 639296448. Its totient is φ = 608220000.

The previous prime is 623750251. The next prime is 623750263. The reversal of 623750261 is 162057326.

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 623750261 - 2¹⁰ = 623749237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623750263) 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, 131786 + ... + 136436.

It is an arithmetic number, because the mean of its divisors is an integer number (79912056).

Almost surely, 2^623750261 is an apocalyptic number.

It is an amenable number.

623750261 is a deficient number, since it is larger than the sum of its proper divisors (15546187).

623750261 is a wasteful number, since it uses less digits than its factorization.

623750261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 623750261 is about 24974.9927127116. The cubic root of 623750261 is about 854.4177201119.

The spelling of 623750261 in words is "six hundred twenty-three million, seven hundred fifty thousand, two hundred sixty-one".