5405253261 has 16 divisors (see below), whose sum is σ = 7286098560. Its totient is φ = 3564043200.

The previous prime is 5405253257. The next prime is 5405253307. The reversal of 5405253261 is 1623525045.

It is not a de Polignac number, because 5405253261 - 2² = 5405253257 is a prime.

It is a super-2 number, since 2×5405253261² = 58433525631102268242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405253221) 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, 245611 + ... + 266711.

It is an arithmetic number, because the mean of its divisors is an integer number (455381160).

Almost surely, 2^5405253261 is an apocalyptic number.

It is an amenable number.

5405253261 is a deficient number, since it is larger than the sum of its proper divisors (1880845299).

5405253261 is a wasteful number, since it uses less digits than its factorization.

5405253261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22036.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 5405253261 is about 73520.4275082783. The cubic root of 5405253261 is about 1754.9793707042.

The spelling of 5405253261 in words is "five billion, four hundred five million, two hundred fifty-three thousand, two hundred sixty-one".