61373587 has 16 divisors (see below), whose sum is σ = 72410112. Its totient is φ = 51387520.

The previous prime is 61373581. The next prime is 61373593. The reversal of 61373587 is 78537316.

It is an interprime number because it is at equal distance from previous prime (61373581) and next prime (61373593).

It is a cyclic number.

It is not a de Polignac number, because 61373587 - 2²³ = 52984979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61373581) 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, 5298 + ... + 12280.

It is an arithmetic number, because the mean of its divisors is an integer number (4525632).

Almost surely, 2^61373587 is an apocalyptic number.

61373587 is a deficient number, since it is larger than the sum of its proper divisors (11036525).

61373587 is a wasteful number, since it uses less digits than its factorization.

61373587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7058.

The product of its digits is 105840, while the sum is 40.

The square root of 61373587 is about 7834.1296261933. The cubic root of 61373587 is about 394.4517030793.

The spelling of 61373587 in words is "sixty-one million, three hundred seventy-three thousand, five hundred eighty-seven".