2498533961 has 18 divisors (see below), whose sum is σ = 3194709210. Its totient is φ = 1946904960.

The previous prime is 2498533957. The next prime is 2498533969. The reversal of 2498533961 is 1693358942.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1813141561 + 685392400 = 42581^2 + 26180^2 .

It is not a de Polignac number, because 2498533961 - 2² = 2498533957 is a prime.

It is a super-4 number, since 4×2498533961⁴ (a number of 39 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2498533969) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 204776 + ... + 216633.

It is an arithmetic number, because the mean of its divisors is an integer number (177483845).

Almost surely, 2^2498533961 is an apocalyptic number.

It is an amenable number.

2498533961 is a deficient number, since it is larger than the sum of its proper divisors (696175249).

2498533961 is a wasteful number, since it uses less digits than its factorization.

2498533961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421445 (or 421427 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 50.

The square root of 2498533961 is about 49985.3374600992. The cubic root of 2498533961 is about 1356.9434602834.

The spelling of 2498533961 in words is "two billion, four hundred ninety-eight million, five hundred thirty-three thousand, nine hundred sixty-one".