61019495 has 4 divisors (see below), whose sum is σ = 73223400. Its totient is φ = 48815592.

The previous prime is 61019479. The next prime is 61019503. The reversal of 61019495 is 59491016.

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 61019495 - 2⁴ = 61019479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6101945 + ... + 6101954.

It is an arithmetic number, because the mean of its divisors is an integer number (18305850).

Almost surely, 2^61019495 is an apocalyptic number.

61019495 is a deficient number, since it is larger than the sum of its proper divisors (12203905).

61019495 is a wasteful number, since it uses less digits than its factorization.

61019495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12203904.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 61019495 is about 7811.4976156944. The cubic root of 61019495 is about 393.6916493696.

The spelling of 61019495 in words is "sixty-one million, nineteen thousand, four hundred ninety-five".