202401887 has 2 divisors, whose sum is σ = 202401888. Its totient is φ = 202401886.

The previous prime is 202401811. The next prime is 202401911. The reversal of 202401887 is 788104202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202401887 is a prime.

It is a super-2 number, since 2×202401887² = 81933047722321538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202406887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101200943 + 101200944.

It is an arithmetic number, because the mean of its divisors is an integer number (101200944).

Almost surely, 2^202401887 is an apocalyptic number.

202401887 is a deficient number, since it is larger than the sum of its proper divisors (1).

202401887 is an equidigital number, since it uses as much as digits as its factorization.

202401887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 202401887 is about 14226.8017136671. The cubic root of 202401887 is about 587.1352914942.

The spelling of 202401887 in words is "two hundred two million, four hundred one thousand, eight hundred eighty-seven".