61587201 has 16 divisors (see below), whose sum is σ = 88615296. Its totient is φ = 37821696.

The previous prime is 61587187. The next prime is 61587269. The reversal of 61587201 is 10278516.

It is not a de Polignac number, because 61587201 - 2¹³ = 61579009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61587101) 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, 21796 + ... + 24458.

It is an arithmetic number, because the mean of its divisors is an integer number (5538456).

Almost surely, 2^61587201 is an apocalyptic number.

It is an amenable number.

61587201 is a deficient number, since it is larger than the sum of its proper divisors (27028095).

61587201 is a wasteful number, since it uses less digits than its factorization.

61587201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 61587201 is about 7847.7513339810. The cubic root of 61587201 is about 394.9088097991.

The spelling of 61587201 in words is "sixty-one million, five hundred eighty-seven thousand, two hundred one".