2025419987 has 2 divisors, whose sum is σ = 2025419988. Its totient is φ = 2025419986.

The previous prime is 2025419971. The next prime is 2025420029. The reversal of 2025419987 is 7899145202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2025419987 - 2⁴ = 2025419971 is a prime.

It is a super-2 number, since 2×2025419987² = 8204652247478160338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2025419917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012709993 + 1012709994.

It is an arithmetic number, because the mean of its divisors is an integer number (1012709994).

Almost surely, 2^2025419987 is an apocalyptic number.

2025419987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2025419987 is an equidigital number, since it uses as much as digits as its factorization.

2025419987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 2025419987 is about 45004.6662802870. Note that the first 3 decimals coincide. The cubic root of 2025419987 is about 1265.2364562905.

The spelling of 2025419987 in words is "two billion, twenty-five million, four hundred nineteen thousand, nine hundred eighty-seven".