65267401 has 2 divisors, whose sum is σ = 65267402. Its totient is φ = 65267400.

The previous prime is 65267387. The next prime is 65267407. The reversal of 65267401 is 10476256.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56851600 + 8415801 = 7540^2 + 2901^2 .

It is a cyclic number.

It is not a de Polignac number, because 65267401 - 2¹¹ = 65265353 is a prime.

It is equal to p_3855352 and since 65267401 and 3855352 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (65267407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32633700 + 32633701.

It is an arithmetic number, because the mean of its divisors is an integer number (32633701).

Almost surely, 2^65267401 is an apocalyptic number.

It is an amenable number.

65267401 is a deficient number, since it is larger than the sum of its proper divisors (1).

65267401 is an equidigital number, since it uses as much as digits as its factorization.

65267401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 65267401 is about 8078.8242337608. The cubic root of 65267401 is about 402.6231784819.

The spelling of 65267401 in words is "sixty-five million, two hundred sixty-seven thousand, four hundred one".