501025087 has 2 divisors, whose sum is σ = 501025088. Its totient is φ = 501025086.

The previous prime is 501025051. The next prime is 501025111. The reversal of 501025087 is 780520105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 501025087 - 2¹⁹ = 500500799 is a prime.

It is a super-2 number, since 2×501025087² = 502052275606715138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501065087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250512543 + 250512544.

It is an arithmetic number, because the mean of its divisors is an integer number (250512544).

Almost surely, 2^501025087 is an apocalyptic number.

501025087 is a deficient number, since it is larger than the sum of its proper divisors (1).

501025087 is an equidigital number, since it uses as much as digits as its factorization.

501025087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 501025087 is about 22383.5896808354. The cubic root of 501025087 is about 794.2425637895.

The spelling of 501025087 in words is "five hundred one million, twenty-five thousand, eighty-seven".