61151371 has 8 divisors (see below), whose sum is σ = 62590464. Its totient is φ = 59718120.

The previous prime is 61151357. The next prime is 61151429. The reversal of 61151371 is 17315116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61151371 - 2⁵ = 61151339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61158371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25306 + ... + 27616.

It is an arithmetic number, because the mean of its divisors is an integer number (7823808).

Almost surely, 2^61151371 is an apocalyptic number.

61151371 is a deficient number, since it is larger than the sum of its proper divisors (1439093).

61151371 is a wasteful number, since it uses less digits than its factorization.

61151371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921.

The product of its digits is 630, while the sum is 25.

The square root of 61151371 is about 7819.9342068844. The cubic root of 61151371 is about 393.9750621955.

Adding to 61151371 its reverse (17315116), we get a palindrome (78466487).

The spelling of 61151371 in words is "sixty-one million, one hundred fifty-one thousand, three hundred seventy-one".