61265499 has 8 divisors (see below), whose sum is σ = 82030080. Its totient is φ = 40672296.

The previous prime is 61265473. The next prime is 61265513. The reversal of 61265499 is 99456216.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61265499 - 2¹¹ = 61263451 is a prime.

It is a super-2 number, since 2×61265499² = 7506922735438002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61265499.

It is not an unprimeable number, because it can be changed into a prime (61265999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42007 + ... + 43440.

It is an arithmetic number, because the mean of its divisors is an integer number (10253760).

Almost surely, 2^61265499 is an apocalyptic number.

61265499 is a deficient number, since it is larger than the sum of its proper divisors (20764581).

61265499 is a wasteful number, since it uses less digits than its factorization.

61265499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85689.

The product of its digits is 116640, while the sum is 42.

The square root of 61265499 is about 7827.2280534043. The cubic root of 61265499 is about 394.2200043338.

The spelling of 61265499 in words is "sixty-one million, two hundred sixty-five thousand, four hundred ninety-nine".