61362499 has 8 divisors (see below), whose sum is σ = 68204592. Its totient is φ = 54731040.

The previous prime is 61362473. The next prime is 61362517. The reversal of 61362499 is 99426316.

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

It is a cyclic number.

It is not a de Polignac number, because 61362499 - 2¹⁵ = 61329731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61362409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52044 + ... + 53209.

It is an arithmetic number, because the mean of its divisors is an integer number (8525574).

Almost surely, 2^61362499 is an apocalyptic number.

61362499 is a deficient number, since it is larger than the sum of its proper divisors (6842093).

61362499 is a wasteful number, since it uses less digits than its factorization.

61362499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105317.

The product of its digits is 69984, while the sum is 40.

The square root of 61362499 is about 7833.4219214849. The cubic root of 61362499 is about 394.4279472363.

The spelling of 61362499 in words is "sixty-one million, three hundred sixty-two thousand, four hundred ninety-nine".