2615435401 has 4 divisors (see below), whose sum is σ = 2615652100. Its totient is φ = 2615218704.

The previous prime is 2615435393. The next prime is 2615435413. The reversal of 2615435401 is 1045345162.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1045345162 = 2 ⋅522672581.

It can be written as a sum of positive squares in 2 ways, for example, as 2352347001 + 263088400 = 48501^2 + 16220^2 .

It is a cyclic number.

It is not a de Polignac number, because 2615435401 - 2³ = 2615435393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2615430401) 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, 89106 + ... + 114763.

It is an arithmetic number, because the mean of its divisors is an integer number (653913025).

Almost surely, 2^2615435401 is an apocalyptic number.

It is an amenable number.

2615435401 is a deficient number, since it is larger than the sum of its proper divisors (216699).

2615435401 is a wasteful number, since it uses less digits than its factorization.

2615435401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216698.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2615435401 is about 51141.3277203477. The cubic root of 2615435401 is about 1377.7846203771.

The spelling of 2615435401 in words is "two billion, six hundred fifteen million, four hundred thirty-five thousand, four hundred one".