2002550157 has 6 divisors (see below), whose sum is σ = 2892572462. Its totient is φ = 1335033432.

The previous prime is 2002550027. The next prime is 2002550161. The reversal of 2002550157 is 7510552002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1050148836 + 952401321 = 32406^2 + 30861^2 .

It is not a de Polignac number, because 2002550157 - 2¹⁵ = 2002517389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002550157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002550257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111252778 + ... + 111252795.

Almost surely, 2^2002550157 is an apocalyptic number.

It is an amenable number.

2002550157 is a deficient number, since it is larger than the sum of its proper divisors (890022305).

2002550157 is a wasteful number, since it uses less digits than its factorization.

2002550157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222505579 (or 222505576 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 2002550157 is about 44749.8620891730. The cubic root of 2002550157 is about 1260.4563218688.

The spelling of 2002550157 in words is "two billion, two million, five hundred fifty thousand, one hundred fifty-seven".