61853995 has 32 divisors (see below), whose sum is σ = 88146432. Its totient is φ = 40787712.

The previous prime is 61853983. The next prime is 61853999. The reversal of 61853995 is 59935816.

It is not a de Polignac number, because 61853995 - 2¹³ = 61845803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61853999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109584 + ... + 110146.

It is an arithmetic number, because the mean of its divisors is an integer number (2754576).

Almost surely, 2^61853995 is an apocalyptic number.

61853995 is a deficient number, since it is larger than the sum of its proper divisors (26292437).

61853995 is a wasteful number, since it uses less digits than its factorization.

61853995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its digits is 291600, while the sum is 46.

The square root of 61853995 is about 7864.7310824974. The cubic root of 61853995 is about 395.4782329181.

The spelling of 61853995 in words is "sixty-one million, eight hundred fifty-three thousand, nine hundred ninety-five".