7522261 has 2 divisors, whose sum is σ = 7522262. Its totient is φ = 7522260.

The previous prime is 7522241. The next prime is 7522267. The reversal of 7522261 is 1622257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6791236 + 731025 = 2606^2 + 855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7522261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7522267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3761130 + 3761131.

It is an arithmetic number, because the mean of its divisors is an integer number (3761131).

Almost surely, 2^7522261 is an apocalyptic number.

It is an amenable number.

7522261 is a deficient number, since it is larger than the sum of its proper divisors (1).

7522261 is an equidigital number, since it uses as much as digits as its factorization.

7522261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 25.

The square root of 7522261 is about 2742.6740601100. The cubic root of 7522261 is about 195.9368549191.

The spelling of 7522261 in words is "seven million, five hundred twenty-two thousand, two hundred sixty-one".