201025507 has 2 divisors, whose sum is σ = 201025508. Its totient is φ = 201025506.

The previous prime is 201025471. The next prime is 201025511. The reversal of 201025507 is 705520102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201025507 - 2¹⁵ = 200992739 is a prime.

It is a super-2 number, since 2×201025507² = 80822508929214098, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201025547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100512753 + 100512754.

It is an arithmetic number, because the mean of its divisors is an integer number (100512754).

Almost surely, 2^201025507 is an apocalyptic number.

201025507 is a deficient number, since it is larger than the sum of its proper divisors (1).

201025507 is an equidigital number, since it uses as much as digits as its factorization.

201025507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 201025507 is about 14178.3464127521. The cubic root of 201025507 is about 585.8013776643.

Adding to 201025507 its reverse (705520102), we get a palindrome (906545609).

The spelling of 201025507 in words is "two hundred one million, twenty-five thousand, five hundred seven".