610381551 has 16 divisors (see below), whose sum is σ = 880388096. Its totient is φ = 373929696.

The previous prime is 610381547. The next prime is 610381553. The reversal of 610381551 is 155183016.

It is not a de Polignac number, because 610381551 - 2² = 610381547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610381553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26395 + ... + 43788.

It is an arithmetic number, because the mean of its divisors is an integer number (55024256).

Almost surely, 2^610381551 is an apocalyptic number.

610381551 is a deficient number, since it is larger than the sum of its proper divisors (270006545).

610381551 is a wasteful number, since it uses less digits than its factorization.

610381551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70422.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 610381551 is about 24705.9011371777. The cubic root of 610381551 is about 848.2693974491.

The spelling of 610381551 in words is "six hundred ten million, three hundred eighty-one thousand, five hundred fifty-one".