7615261 has 2 divisors, whose sum is σ = 7615262. Its totient is φ = 7615260.

The previous prime is 7615249. The next prime is 7615319. The reversal of 7615261 is 1625167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7371225 + 244036 = 2715^2 + 494^2 .

It is an emirp because it is prime and its reverse (1625167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7615261 - 2¹³ = 7607069 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 (7615211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3807630 + 3807631.

It is an arithmetic number, because the mean of its divisors is an integer number (3807631).

Almost surely, 2^7615261 is an apocalyptic number.

It is an amenable number.

7615261 is a deficient number, since it is larger than the sum of its proper divisors (1).

7615261 is an equidigital number, since it uses as much as digits as its factorization.

7615261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

The square root of 7615261 is about 2759.5762355840. The cubic root of 7615261 is about 196.7410255380.

The spelling of 7615261 in words is "seven million, six hundred fifteen thousand, two hundred sixty-one".