261460654 has 32 divisors (see below), whose sum is σ = 485424576. Its totient is φ = 102850560.

The previous prime is 261460651. The next prime is 261460657. The reversal of 261460654 is 456064162.

It is an interprime number because it is at equal distance from previous prime (261460651) and next prime (261460657).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261460651) 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, 28974 + ... + 36910.

It is an arithmetic number, because the mean of its divisors is an integer number (15169518).

Almost surely, 2^261460654 is an apocalyptic number.

261460654 is a deficient number, since it is larger than the sum of its proper divisors (223963922).

261460654 is a wasteful number, since it uses less digits than its factorization.

261460654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 261460654 is about 16169.7450196347. The cubic root of 261460654 is about 639.4434076872.

The spelling of 261460654 in words is "two hundred sixty-one million, four hundred sixty thousand, six hundred fifty-four".