201957007625 has 16 divisors (see below), whose sum is σ = 252076316544. Its totient is φ = 161543830000.

The previous prime is 201957007607. The next prime is 201957007723. The reversal of 201957007625 is 526700759102.

It is not a de Polignac number, because 201957007625 - 2⁶ = 201957007561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856340 + ... + 1066410.

It is an arithmetic number, because the mean of its divisors is an integer number (15754769784).

Almost surely, 2^201957007625 is an apocalyptic number.

201957007625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201957007625 is a deficient number, since it is larger than the sum of its proper divisors (50119308919).

201957007625 is an equidigital number, since it uses as much as digits as its factorization.

201957007625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217777 (or 217767 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 201957007625 in words is "two hundred one billion, nine hundred fifty-seven million, seven thousand, six hundred twenty-five".