61269371 has 4 divisors (see below), whose sum is σ = 61901112. Its totient is φ = 60637632.

The previous prime is 61269349. The next prime is 61269389. The reversal of 61269371 is 17396216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61269371 - 2¹⁴ = 61252987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61269331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315725 + ... + 315918.

It is an arithmetic number, because the mean of its divisors is an integer number (15475278).

Almost surely, 2^61269371 is an apocalyptic number.

61269371 is a deficient number, since it is larger than the sum of its proper divisors (631741).

61269371 is an equidigital number, since it uses as much as digits as its factorization.

61269371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631740.

The product of its digits is 13608, while the sum is 35.

The square root of 61269371 is about 7827.4753912101. The cubic root of 61269371 is about 394.2283091042.

The spelling of 61269371 in words is "sixty-one million, two hundred sixty-nine thousand, three hundred seventy-one".