261497962 has 8 divisors (see below), whose sum is σ = 427905792. Its totient is φ = 118862700.

The previous prime is 261497941. The next prime is 261497963. The reversal of 261497962 is 269794162.

261497962 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (261497963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5943114 + ... + 5943157.

It is an arithmetic number, because the mean of its divisors is an integer number (53488224).

Almost surely, 2^261497962 is an apocalyptic number.

261497962 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

261497962 is a deficient number, since it is larger than the sum of its proper divisors (166407830).

261497962 is a wasteful number, since it uses less digits than its factorization.

261497962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11886284.

The product of its digits is 326592, while the sum is 46.

The square root of 261497962 is about 16170.8986144865. The cubic root of 261497962 is about 639.4738204468.

It can be divided in two parts, 2614 and 97962, that added together give a triangular number (100576 = T₄₄₈).

The spelling of 261497962 in words is "two hundred sixty-one million, four hundred ninety-seven thousand, nine hundred sixty-two".