250545121 has 4 divisors (see below), whose sum is σ = 251649072. Its totient is φ = 249441172.

The previous prime is 250545091. The next prime is 250545157. The reversal of 250545121 is 121545052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 250545121 - 2⁷ = 250544993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250545221) 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, 551635 + ... + 552088.

It is an arithmetic number, because the mean of its divisors is an integer number (62912268).

Almost surely, 2^250545121 is an apocalyptic number.

It is an amenable number.

250545121 is a deficient number, since it is larger than the sum of its proper divisors (1103951).

250545121 is a wasteful number, since it uses less digits than its factorization.

250545121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103950.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 250545121 is about 15828.6171537504. The cubic root of 250545121 is about 630.4180655035.

The spelling of 250545121 in words is "two hundred fifty million, five hundred forty-five thousand, one hundred twenty-one".