61377097 has 4 divisors (see below), whose sum is σ = 61503616. Its totient is φ = 61250580.

The previous prime is 61377091. The next prime is 61377101. The reversal of 61377097 is 79077316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61377097 - 2²³ = 52988489 is a prime.

It is a super-2 number, since 2×61377097² = 7534296072294818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61377091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62529 + ... + 63502.

It is an arithmetic number, because the mean of its divisors is an integer number (15375904).

Almost surely, 2^61377097 is an apocalyptic number.

It is an amenable number.

61377097 is a deficient number, since it is larger than the sum of its proper divisors (126519).

61377097 is a wasteful number, since it uses less digits than its factorization.

61377097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126518.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 61377097 is about 7834.3536427710. The cubic root of 61377097 is about 394.4592225958.

The spelling of 61377097 in words is "sixty-one million, three hundred seventy-seven thousand, ninety-seven".