761513 has 4 divisors (see below), whose sum is σ = 774480. Its totient is φ = 748548.

The previous prime is 761489. The next prime is 761521. The reversal of 761513 is 315167.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315167 = 41 ⋅7687.

It is a cyclic number.

It is not a de Polignac number, because 761513 - 2¹⁰ = 760489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6395 + ... + 6512.

It is an arithmetic number, because the mean of its divisors is an integer number (193620).

2⁷⁶¹⁵¹³ is an apocalyptic number.

It is an amenable number.

761513 is a deficient number, since it is larger than the sum of its proper divisors (12967).

761513 is a wasteful number, since it uses less digits than its factorization.

761513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12966.

The product of its digits is 630, while the sum is 23.

The square root of 761513 is about 872.6471222665. The cubic root of 761513 is about 91.3185710893.

The spelling of 761513 in words is "seven hundred sixty-one thousand, five hundred thirteen".