2601551401 has 8 divisors (see below), whose sum is σ = 2711808000. Its totient is φ = 2492664720.

The previous prime is 2601551389. The next prime is 2601551411. The reversal of 2601551401 is 1041551062.

It is a happy number.

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 2601551401 - 2¹³ = 2601543209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2601551411) 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, 338601 + ... + 346198.

It is an arithmetic number, because the mean of its divisors is an integer number (338976000).

Almost surely, 2^2601551401 is an apocalyptic number.

It is an amenable number.

2601551401 is a deficient number, since it is larger than the sum of its proper divisors (110256599).

2601551401 is a wasteful number, since it uses less digits than its factorization.

2601551401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684959.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 2601551401 is about 51005.4056056807. The cubic root of 2601551401 is about 1375.3423105422.

The spelling of 2601551401 in words is "two billion, six hundred one million, five hundred fifty-one thousand, four hundred one".