265162501 has 2 divisors, whose sum is σ = 265162502. Its totient is φ = 265162500.

The previous prime is 265162477. The next prime is 265162517. The reversal of 265162501 is 105261562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241833601 + 23328900 = 15551^2 + 4830^2 .

It is a cyclic number.

It is not a de Polignac number, because 265162501 - 2²³ = 256773893 is a prime.

It is a super-2 number, since 2×265162501² = 140622303873150002, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265162501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265162801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132581250 + 132581251.

It is an arithmetic number, because the mean of its divisors is an integer number (132581251).

Almost surely, 2^265162501 is an apocalyptic number.

It is an amenable number.

265162501 is a deficient number, since it is larger than the sum of its proper divisors (1).

265162501 is an equidigital number, since it uses as much as digits as its factorization.

265162501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 265162501 is about 16283.8110097115. The cubic root of 265162501 is about 642.4470938081.

The spelling of 265162501 in words is "two hundred sixty-five million, one hundred sixty-two thousand, five hundred one".