61652487 has 16 divisors (see below), whose sum is σ = 89099360. Its totient is φ = 37694592.

The previous prime is 61652453. The next prime is 61652527. The reversal of 61652487 is 78425616.

It is not a de Polignac number, because 61652487 - 2¹¹ = 61650439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61652407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089 + ... + 11157.

It is an arithmetic number, because the mean of its divisors is an integer number (5568710).

Almost surely, 2^61652487 is an apocalyptic number.

61652487 is a deficient number, since it is larger than the sum of its proper divisors (27446873).

61652487 is a wasteful number, since it uses less digits than its factorization.

61652487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10242.

The product of its digits is 80640, while the sum is 39.

The square root of 61652487 is about 7851.9097676935. The cubic root of 61652487 is about 395.0483025906.

The spelling of 61652487 in words is "sixty-one million, six hundred fifty-two thousand, four hundred eighty-seven".