70601261 has 2 divisors, whose sum is σ = 70601262. Its totient is φ = 70601260.

The previous prime is 70601249. The next prime is 70601281. The reversal of 70601261 is 16210607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48038761 + 22562500 = 6931^2 + 4750^2 .

It is a cyclic number.

It is not a de Polignac number, because 70601261 - 2⁶ = 70601197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70601281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35300630 + 35300631.

It is an arithmetic number, because the mean of its divisors is an integer number (35300631).

Almost surely, 2^70601261 is an apocalyptic number.

It is an amenable number.

70601261 is a deficient number, since it is larger than the sum of its proper divisors (1).

70601261 is an equidigital number, since it uses as much as digits as its factorization.

70601261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 70601261 is about 8402.4556529624. The cubic root of 70601261 is about 413.3051523595.

Adding to 70601261 its reverse (16210607), we get a palindrome (86811868).

The spelling of 70601261 in words is "seventy million, six hundred one thousand, two hundred sixty-one".